xref: /netbsd/sys/arch/pmax/pmax/kn03.h (revision cc2d9d22)
1 /*	$NetBSD: kn03.h,v 1.13 2017/06/22 16:46:53 flxd Exp $	*/
2 
3 /*-
4  * Copyright (c) 1992, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * The Mach Operating System project at Carnegie-Mellon University,
9  * Ralph Campbell and Rick Macklem.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  *	@(#)kn03.h	8.1 (Berkeley) 6/10/93
36  */
37 
38 /*
39  * Mach Operating System
40  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
41  * All Rights Reserved.
42  *
43  * Permission to use, copy, modify and distribute this software and
44  * its documentation is hereby granted, provided that both the copyright
45  * notice and this permission notice appear in all copies of the
46  * software, derivative works or modified versions, and any portions
47  * thereof, and that both notices appear in supporting documentation.
48  *
49  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
50  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
51  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
52  *
53  * Carnegie Mellon requests users of this software to return to
54  *
55  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
56  *  School of Computer Science
57  *  Carnegie Mellon University
58  *  Pittsburgh PA 15213-3890
59  *
60  * any improvements or extensions that they make and grant Carnegie the
61  * rights to redistribute these changes.
62  */
63 /*
64  *	Definitions specific to the KN03GA processors and 3MAX+
65  *	DECstation 5000/240 mother board.
66  */
67 
68 #ifndef	MIPS_KN03_H
69 #define	MIPS_KN03_H 1
70 
71 /*
72  * 3MAX+'s Physical address space
73  */
74 #define KN03_PHYS_MIN		0x00000000	/* 512 Meg */
75 #define KN03_PHYS_MAX		0x1fffffff
76 
77 /*
78  * Memory map
79  */
80 #define KN03_PHYS_MEMORY_START	0x00000000
81 #define KN03_PHYS_MEMORY_END	0x1dffffff	/* 480 Meg */
82 
83 /*
84  * I/O map
85  */
86 #define KN03_PHYS_TC_0_START	0x1e000000	/* TURBOchannel, slot 0 */
87 #define KN03_PHYS_TC_0_END	0x1e7fffff	/*  8 Meg, option0 */
88 
89 #define KN03_PHYS_TC_1_START	0x1e800000	/* TURBOchannel, slot 1 */
90 #define KN03_PHYS_TC_1_END	0x1effffff	/*  8 Meg, option1 */
91 
92 #define KN03_PHYS_TC_2_START	0x1f000000	/* TURBOchannel, slot 2 */
93 #define KN03_PHYS_TC_2_END	0x1f7fffff	/*  8 Meg, option2 */
94 
95 #define KN03_PHYS_TC_3_START	0x1f800000	/* TURBOchannel, slot 3 */
96 #define KN03_PHYS_TC_3_END	0x1fffffff	/*  8 Meg, system devices */
97 
98 #define	KN03_PHYS_TC_START	KN03_PHYS_TC_0_START
99 #define	KN03_PHYS_TC_END	KN03_PHYS_TC_3_END
100 
101 #define KN03_TC_NSLOTS		4
102 #define	KN03_TC_MIN		0
103 #define KN03_TC_MAX		2		/* don't look at system slot */
104 
105 /*
106  * System module space (IOASIC)
107  */
108 #define	KN03_SYS_ASIC		( KN03_PHYS_TC_3_START + 0x0000000 )
109 #define	KN03_SYS_ROM_START	( KN03_SYS_ASIC + IOASIC_SLOT_0_START )
110 #define KN03_SYS_ASIC_REGS	( KN03_SYS_ASIC + IOASIC_SLOT_1_START )
111 #define	KN03_SYS_ETHER_ADDRESS	( KN03_SYS_ASIC + IOASIC_SLOT_2_START )
112 #define	KN03_SYS_LANCE		( KN03_SYS_ASIC + IOASIC_SLOT_3_START )
113 #define	KN03_SYS_SCC_0		( KN03_SYS_ASIC + IOASIC_SLOT_4_START )
114 #define	KN03_SYS_SCC_1		( KN03_SYS_ASIC + IOASIC_SLOT_6_START )
115 #define	KN03_SYS_CLOCK		( KN03_SYS_ASIC + IOASIC_SLOT_8_START )
116 #define	KN03_SYS_ERRADR		( KN03_SYS_ASIC + IOASIC_SLOT_9_START )
117 #define	KN03_SYS_ERRSYN		( KN03_SYS_ASIC + IOASIC_SLOT_10_START )
118 #define	KN03_SYS_CSR		( KN03_SYS_ASIC + IOASIC_SLOT_11_START )
119 #define	KN03_SYS_SCSI		( KN03_SYS_ASIC + IOASIC_SLOT_12_START )
120 #define	KN03_SYS_SCSI_DMA	( KN03_SYS_ASIC + IOASIC_SLOT_14_START )
121 #define	KN03_SYS_BOOT_ROM_START	( KN03_PHYS_TC_3_START + 0x400000 )
122 #define	KN03_SYS_BOOT_ROM_END	( KN03_PHYS_TC_3_START + 0x43ffff )
123 
124 /*
125  * Interrupts
126  */
127 #define KN03_INT_FPA		IP_LEV7		/* Floating Point coproc */
128 #define KN03_INT_HALTB		IP_LEV6		/* Halt button */
129 #define KN03_INT_MEM		IP_LEV5		/* Memory Errors */
130 #define KN03_INT_RTC		IP_LEV3		/* RTC clock */
131 #define KN03_INT_ASIC		IP_LEV2		/* All TURBOchannel */
132 
133 #define	KN03_REG_SCSI_DMAPTR	( KN03_SYS_ASIC + IOASIC_SCSI_DMAPTR )
134 #define	KN03_REG_SCSI_DMANPTR	( KN03_SYS_ASIC + IOASIC_SCSI_NEXTPTR )
135 #define	KN03_REG_LANCE_DMAPTR	( KN03_SYS_ASIC + IOASIC_LANCE_DMAPTR )
136 #define	KN03_REG_SCC_T1_DMAPTR	( KN03_SYS_ASIC + IOASIC_SCC_T1_DMAPTR )
137 #define	KN03_REG_SCC_R1_DMAPTR	( KN03_SYS_ASIC + IOASIC_SCC_R1_DMAPTR )
138 #define	KN03_REG_SCC_T2_DMAPTR	( KN03_SYS_ASIC + IOASIC_SCC_T2_DMAPTR )
139 #define	KN03_REG_SCC_R2_DMAPTR	( KN03_SYS_ASIC + IOASIC_SCC_R2_DMAPTR )
140 #define	KN03_REG_CSR		( KN03_SYS_ASIC + IOASIC_CSR )
141 #define	KN03_REG_INTR		( KN03_SYS_ASIC + IOASIC_INTR )
142 #define	KN03_REG_IMSK		( KN03_SYS_ASIC + IOASIC_IMSK )
143 #define	KN03_REG_CURADDR	( KN03_SYS_ASIC + IOASIC_CURADDR )
144 
145 #define	KN03_REG_LANCE_DECODE	( KN03_SYS_ASIC + IOASIC_LANCE_DECODE )
146 #define	KN03_REG_SCSI_DECODE	( KN03_SYS_ASIC + IOASIC_SCSI_DECODE )
147 #define	KN03_REG_SCC0_DECODE	( KN03_SYS_ASIC + IOASIC_SCC0_DECODE )
148 #define	KN03_REG_SCC1_DECODE	( KN03_SYS_ASIC + IOASIC_SCC1_DECODE )
149 #	define KN03_LANCE_CONFIG	3
150 #	define KN03_SCSI_CONFIG		14
151 #	define KN03_SCC0_CONFIG		(0x10|4)
152 #	define KN03_SCC1_CONFIG		(0x10|6)
153 
154 #define	KN03_REG_SCSI_SCR	( KN03_SYS_ASIC + IOASIC_SCSI_SCR )
155 #define	KN03_REG_SCSI_SDR0	( KN03_SYS_ASIC + IOASIC_SCSI_SDR0 )
156 #define	KN03_REG_SCSI_SDR1	( KN03_SYS_ASIC + IOASIC_SCSI_SDR1 )
157 
158 /* NOTES
159 
160    Memory access priority is, from higher to lower:
161 	- DRAM refresh
162 	- IO DMA (IO Control ASIC)
163 	- Slot 2 DMA
164 	- Slot 1 DMA
165 	- Slot 0 DMA
166 	- Processor
167 
168  */
169 
170 /*
171  * More system registers defines (IO Control ASIC)
172  */
173 /* (re)defines for the system Status and Control register (SSR) */
174 /* high-order 16 bits 0xFFFF0000 same on all DECstation IOASICs */
175 #define KN03_CSR_LEDS		0x000000ff	/* rw */
176 #define KN03_CSR_BNK32M		0x00000400	/* rw Memory bank stride */
177 #define KN03_CSR_CORRECT	0x00002000	/* rw ECC corrects single bit */
178 #define KN03_CSR_ECCMD		0x0000c000	/* rw ECC logic mode */
179 
180 /* (re)defines for the System Interrupt and Mask Registers */
181 /* high-order 16 bits 0xFFFF0000 same on all DECstation IOASICs */
182 #define	KN03_INTR_PBNO		0x00000001	/* ro */
183 #define	KN03_INTR_PBNC		0x00000002	/* ro */
184 #define	KN03_INTR_SCSI_FIFO	0x00000004	/* ro */
185 #define	KN03_INTR_PSWARN	0x00000010	/* ro */
186 #define	KN03_INTR_CLOCK		0x00000020	/* ro */
187 #define	KN03_INTR_SCC_0		0x00000040	/* ro */
188 #define	KN03_INTR_SCC_1		0x00000080	/* ro */
189 #define	KN03_INTR_LANCE		0x00000100	/* ro */
190 #define	KN03_INTR_SCSI		0x00000200	/* ro */
191 #define	KN03_INTR_NRMOD_JUMPER	0x00000400	/* ro */
192 #define	KN03_INTR_TC_0		0x00000800	/* ro */
193 #define	KN03_INTR_TC_1		0x00001000	/* ro */
194 #define	KN03_INTR_TC_2		0x00002000	/* ro */
195 #define	KN03_INTR_NVR_JUMPER	0x00004000	/* ro */
196 #define	KN03_INTR_PROD_JUMPER	0x00008000	/* ro */
197 
198 #define	KN03_INTR_ASIC		0xff0f0004
199 #define	KN03_IM0		0xff0f3bf0	/* all good ones enabled */
200 
201 /*
202  * Error Address Register Bit Definitions
203  */
204 #define KN03_ERR_ADDRESS	0x07ffffff	/* phys address */
205 #define KN03_ERR_RESERVED	0x08000000	/* unused */
206 #define KN03_ERR_ECCERR		0x10000000	/* ECC error */
207 #define KN03_ERR_WRITE		0x20000000	/* read/write transaction */
208 #define KN03_ERR_CPU		0x40000000	/* CPU or device initiator */
209 #define KN03_ERR_VALID		0x80000000	/* Info is valid */
210 
211 /* ECC check/syndrome status register */
212 #define KN03_ECC_SYNLO		0x0000007f	/* syndrome, even bank	*/
213 #define KN03_ECC_SNGLO		0x00000080	/* single bit err, " 	*/
214 #define KN03_ECC_CHKLO		0x00007f00	/* check bits,	"  "	*/
215 #define KN03_ECC_VLDLO		0x00008000	/* info valid for  "	*/
216 #define KN03_ECC_SYNHI		0x007f0000	/* syndrome, odd bank	*/
217 #define KN03_ECC_SNGHI		0x00800000	/* single bit err, "	*/
218 #define KN03_ECC_CHKHI		0x7f000000	/* check bits,  "  "	*/
219 #define KN03_ECC_VLDHI		0x80000000	/* info valid for  "	*/
220 
221 #endif	/* MIPS_KN03_H */
222