1/* $NetBSD: maxine.h,v 1.8.30.3 2004/09/21 13:20:25 skrll 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 * @(#)maxine.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 * HISTORY 65 * Log: maxine.h,v 66 * Revision 2.3 92/04/01 15:14:52 rpd 67 * Defined pseudo slot for mappable timer. 68 * [92/03/11 02:37:41 af] 69 * 70 * Revision 2.2 92/03/02 18:34:28 rpd 71 * Created, from the DEC specs: 72 * "MAXine System Module Functional Specification" Revision 1.2 73 * Workstation Systems Engineering, Palo Alto, CA. July 15, 1991. 74 * [92/01/17 af] 75 * 76 */ 77/* 78 * File: maxine.h 79 * Author: Alessandro Forin, Carnegie Mellon University 80 * Date: 1/92 81 * 82 * Definitions specific to the MAXine system module (54-21325-01) 83 * and compatible processors (KN02BA). 84 */ 85 86#ifndef MIPS_XINE_H 87#define MIPS_XINE_H 1 88 89/* 90 * MAXine's Physical address space 91 */ 92#define XINE_PHYS_MIN 0x00000000 /* 512 Meg */ 93#define XINE_PHYS_MAX 0x1fffffff 94 95/* 96 * Memory map 97 */ 98#define XINE_PHYS_MEMORY_START 0x00000000 99#define XINE_PHYS_MEMORY_END 0x027fffff /* 40 Meg in 2 slots 100 and baseboard */ 101 102/* 103 * I/O map 104 */ 105#define XINE_PHYS_CFB_START 0x08000000 /* Color Frame Buffer */ 106#define XINE_PHYS_CFB_END 0x0bffffff /* 64 Meg */ 107 108#define XINE_PHYS_MREGS_START 0x0c000000 /* Memory control registers */ 109#define XINE_PHYS_MREGS_END 0x0dffffff /* 32 Meg */ 110#define XINE_PHYS_CREGS_START 0x0e000000 /* CPU ASIC control regs */ 111#define XINE_PHYS_CREGS_END 0x0fffffff /* 32 Meg */ 112 113#define XINE_PHYS_TC_0_START 0x10000000 /* TURBOchannel, slot 0 */ 114#define XINE_PHYS_TC_0_END 0x13ffffff /* 64 Meg, option0 */ 115 116#define XINE_PHYS_TC_1_START 0x14000000 /* TURBOchannel, slot 1 */ 117#define XINE_PHYS_TC_1_END 0x17ffffff /* 64 Meg, option1 */ 118 119#define XINE_PHYS_TC_RESERVED 0x18000000 /* Unused slot 2 */ 120 /* 64 Meg */ 121 122#define XINE_PHYS_TC_3_START 0x1c000000 /* TURBOchannel, slot 3 */ 123#define XINE_PHYS_TC_3_END 0x1fffffff /* 64 Meg, system devices */ 124 125#define XINE_PHYS_TC_START XINE_PHYS_TC_0_START 126#define XINE_PHYS_TC_END XINE_PHYS_TC_3_END /* 256 Meg */ 127 128#define XINE_TC_NSLOTS 4 129#define XINE_TC_MIN 0 130#define XINE_TC_MAX 1 /* only option slots */ 131 132/* 133 * System module space 134 */ 135#define XINE_SYS_ASIC (XINE_PHYS_TC_3_START + 0x0000000) 136#define XINE_SYS_ROM_START (XINE_SYS_ASIC + IOASIC_SLOT_0_START) 137#define XINE_SYS_ASIC_REGS (XINE_SYS_ASIC + IOASIC_SLOT_1_START) 138#define XINE_SYS_ETHER_ADDRESS (XINE_SYS_ASIC + IOASIC_SLOT_2_START) 139#define XINE_SYS_LANCE (XINE_SYS_ASIC + IOASIC_SLOT_3_START) 140#define XINE_SYS_SCC_0 (XINE_SYS_ASIC + IOASIC_SLOT_4_START) 141#define XINE_SYS_VDAC_HI (XINE_SYS_ASIC + IOASIC_SLOT_5_START) 142#define XINE_SYS_VDAC_LO (XINE_SYS_ASIC + IOASIC_SLOT_7_START) 143#define XINE_SYS_CLOCK (XINE_SYS_ASIC + IOASIC_SLOT_8_START) 144#define XINE_SYS_ISDN (XINE_SYS_ASIC + IOASIC_SLOT_9_START) 145#define XINE_SYS_DTOP (XINE_SYS_ASIC + IOASIC_SLOT_10_START) 146#define XINE_SYS_FLOPPY (XINE_SYS_ASIC + IOASIC_SLOT_11_START) 147#define XINE_SYS_SCSI (XINE_SYS_ASIC + IOASIC_SLOT_12_START) 148#define XINE_SYS_FLOPPY_DMA (XINE_SYS_ASIC + IOASIC_SLOT_13_START) 149#define XINE_SYS_SCSI_DMA (XINE_SYS_ASIC + IOASIC_SLOT_14_START) 150#define XINE_SYS_BOOT_ROM_START (XINE_PHYS_TC_3_START + 0x3c00000) 151#define XINE_SYS_BOOT_ROM_END (XINE_PHYS_TC_3_START + 0x3c40000) 152 153/* 154 * Interrupts 155 */ 156#define XINE_INT_FPA IP_LEV7 /* Floating Point coproc */ 157#define XINE_INT_HALTB IP_LEV6 /* Halt keycode (DTOP) */ 158#define XINE_INT_TC3 IP_LEV5 /* TC slot 3, system */ 159#define XINE_INT_TIMEOUT IP_LEV4 /* Timeout on I/O write */ 160#define XINE_INT_TOY IP_LEV3 /* Clock chip */ 161#define XINE_INT_1_10_MS IP_LEV2 /* Periodic interrupt */ 162 163/* 164 * System registers addresses (MREG and CREG space, and IO Control ASIC) 165 */ 166#define XINE_REG_CMR 0x0c000000 /* Color mask register */ 167#define XINE_REG_MER 0x0c400000 /* Memory error register */ 168#define XINE_REG_MSR 0x0c800000 /* Memory size register */ 169#define XINE_REG_FCTR 0x0ca00000 /* 1us free running counter */ 170#define XINE_REG_FI 0x0cc00000 /* FI signal polarity (1!) */ 171 172#define XINE_REG_CNFG 0x0e000000 /* Config mem timeouts */ 173#define XINE_REG_AER 0x0e000004 /* Address error register */ 174#define XINE_REG_TIMEOUT 0x0e00000c /* I/O write timeout reg */ 175 176#define XINE_REG_SCSI_DMAPTR ( XINE_SYS_ASIC + IOASIC_SCSI_DMAPTR ) 177#define XINE_REG_SCSI_DMANPTR ( XINE_SYS_ASIC + IOASIC_SCSI_NEXTPTR ) 178#define XINE_REG_LANCE_DMAPTR ( XINE_SYS_ASIC + IOASIC_LANCE_DMAPTR ) 179#define XINE_REG_SCC_T1_DMAPTR ( XINE_SYS_ASIC + IOASIC_SCC_T1_DMAPTR ) 180#define XINE_REG_SCC_R1_DMAPTR ( XINE_SYS_ASIC + IOASIC_SCC_R1_DMAPTR ) 181#define XINE_REG_DTOP_T_DMAPTR ( XINE_SYS_ASIC + IOASIC_SCC_T2_DMAPTR ) 182#define XINE_REG_DTOP_R_DMAPTR ( XINE_SYS_ASIC + IOASIC_SCC_R2_DMAPTR ) 183#define XINE_FLOPPY_DMAPTR ( XINE_SYS_ASIC + IOASIC_FLOPPY_DMAPTR ) 184#define XINE_ISDN_X_DMAPTR ( XINE_SYS_ASIC + IOASIC_ISDN_X_DMAPTR ) 185#define XINE_ISDN_X_NEXTPTR ( XINE_SYS_ASIC + IOASIC_ISDN_X_NEXTPTR ) 186#define XINE_ISDN_R_DMAPTR ( XINE_SYS_ASIC + IOASIC_ISDN_R_DMAPTR ) 187#define XINE_ISDN_R_NEXTPTR ( XINE_SYS_ASIC + IOASIC_ISDN_R_NEXTPTR ) 188#define XINE_REG_CSR ( XINE_SYS_ASIC + IOASIC_CSR ) 189#define XINE_REG_INTR ( XINE_SYS_ASIC + IOASIC_INTR ) 190#define XINE_REG_IMSK ( XINE_SYS_ASIC + IOASIC_IMSK ) 191#define XINE_REG_CURADDR ( XINE_SYS_ASIC + IOASIC_CURADDR ) 192#define XINE_ISDN_X_DATA ( XINE_SYS_ASIC + IOASIC_ISDN_X_DATA ) 193#define XINE_ISDN_R_DATA ( XINE_SYS_ASIC + IOASIC_ISDN_R_DATA ) 194 195#define XINE_REG_LANCE_DECODE ( XINE_SYS_ASIC + IOASIC_LANCE_DECODE ) 196#define XINE_REG_SCSI_DECODE ( XINE_SYS_ASIC + IOASIC_SCSI_DECODE ) 197#define XINE_REG_SCC0_DECODE ( XINE_SYS_ASIC + IOASIC_SCC0_DECODE ) 198#define XINE_REG_DTOP_DECODE ( XINE_SYS_ASIC + IOASIC_SCC1_DECODE ) 199#define XINE_REG_FLOPPY_DECODE ( XINE_SYS_ASIC + IOASIC_FLOPPY_DECODE ) 200# define XINE_LANCE_CONFIG 3 201# define XINE_SCSI_CONFIG 14 202# define XINE_SCC0_CONFIG (0x10|4) 203# define XINE_DTOP_CONFIG 10 204# define XINE_FLOPPY_CONFIG 13 205 206#define XINE_REG_SCSI_SCR ( XINE_SYS_ASIC + IOASIC_SCSI_SCR ) 207#define XINE_REG_SCSI_SDR0 ( XINE_SYS_ASIC + IOASIC_SCSI_SDR0 ) 208#define XINE_REG_SCSI_SDR1 ( XINE_SYS_ASIC + IOASIC_SCSI_SDR1 ) 209 210/* 211 * System registers defines (MREG and CREG) 212 */ 213/* Memory error register */ 214#define XINE_MER_xxx 0xf7fe30ff /* undefined */ 215#define XINE_MER_10_1_MS_IP 0x08000000 /* rw: Periodic interrupt */ 216#define XINE_MER_PAGE_BRY 0x00010000 /* rw: Page boundary error */ 217#define XINE_MER_TLEN 0x00008000 /* rw: Xfer length error */ 218#define XINE_MER_PARDIS 0x00004000 /* rw: Dis parity err intr */ 219#define XINE_MER_LASTBYTE 0x00000f00 /* rz: Last byte in error: */ 220# define XINE_LASTB31 0x00000800 /* upper byte of word */ 221# define XINE_LASTB23 0x00000400 /* .. through .. */ 222# define XINE_LASTB15 0x00000200 /* .. the .. */ 223# define XINE_LASTB07 0x00000100 /* .. lower byte */ 224 225/* Memory size register */ 226#define XINE_MSR_xxx 0xffffdfff /* undefined */ 227#define XINE_MSR_10_1_MS_EN 0x04000000 /* rw: enable periodic intr */ 228#define XINE_MSR_10_1_MS 0x02000000 /* rw: intr. freq. (0->1ms) */ 229#define XINE_MSR_PFORCE 0x01e00000 /* rw: force parity errors */ 230#define XINE_MSR_MABEN 0x00100000 /* rw: VRAM ignores SIZE */ 231#define XINE_MSR_LAST_BANK 0x000e0000 /* rw: map baseboard mem */ 232# define XINE_BANK_0 0x00020000 /* .. at bank 0, .. */ 233# define XINE_BANK_1 0x00040000 /* .. at bank 1, .. */ 234# define XINE_BANK_2 0x00080000 /* .. or at bank 2 */ 235#define XINE_MSR_SIZE_16Mb 0x00002000 /* rw: using 16Mb mem banks */ 236 237/* FI register */ 238#define XINE_FI_VALUE 0x00001000 239 240/* NOTES 241 242 Memory access priority is, from higher to lower: 243 - VRAM/DRAM refresh 244 - IO DMA (IO Control ASIC) 245 - Slot 0 DMA 246 - Processor 247 - Slot 1 DMA 248 249 Memory performance is (with 80ns mem cycles) 250 - single word read 5 cyc 10.0 Mb/s 251 - word write 3 cyc 16.7 Mb/s 252 - single byte write 3 cyc 4.2 Mb/s 253 - 64w DMA read 68 cyc 47.1 Mb/s 254 - 64w DMA write 66 cyc 48.5 Mb/s 255 - Refresh 5 cyc N/A 256 */ 257 258/* Timeout config register */ 259#define XINE_CNFG_VALUE 121 260 261/* Address error register */ 262#define XINE_AER_ADDR_MASK 0x1ffffffc /* ro: phys addr in error */ 263 264/* Memory access timeout interrupt register */ 265#define XINE_TIMEO_INTR 0x00000001 /* rc: intr pending */ 266 267/* 268 * More system registers defines (IO Control ASIC) 269 */ 270/* (re)defines for the system Status and Control register (SSR) */ 271/* high-order 16 bits 0xFFFF0000 same on all DECstation IOASICs */ 272#define XINE_CSR_DIAGDN 0x00008000 /* rw */ 273#define XINE_CSR_ISDN_ENABLE 0x00001000 /* rw */ 274#define XINE_CSR_SCC_ENABLE 0x00000800 /* rw */ 275#define XINE_CSR_RTC_ENABLE 0x00000400 /* rw */ 276#define XINE_CSR_SCSI_ENABLE 0x00000200 /* rw */ 277#define XINE_CSR_LANCE_ENABLE 0x00000100 /* rw */ 278#define XINE_CSR_FLOPPY_ENABLE 0x00000080 /* rw */ 279#define XINE_CSR_VDAC_ENABLE 0x00000040 /* rw */ 280#define XINE_CSR_DTOP_ENABLE 0x00000020 /* rw */ 281#define XINE_CSR_LED 0x00000001 /* rw */ 282 283/* (re)defines for the System Interrupt and Mask Registers */ 284/* high-order 16 bits 0xFFFF0000 same on all DECstation IOASICs */ 285#define XINE_INTR_xxxx 0x00002808 /* ro */ 286#define XINE_INTR_FLOPPY 0x00008000 /* ro */ 287#define XINE_INTR_NVR_JUMPER 0x00004000 /* ro */ 288#define XINE_INTR_POWERUP 0x00002000 /* ro */ 289#define XINE_INTR_TC_0 0x00001000 /* ro */ 290#define XINE_INTR_ISDN 0x00000800 /* ro */ 291#define XINE_INTR_NRMOD_JUMPER 0x00000400 /* ro */ 292#define XINE_INTR_SCSI 0x00000200 /* ro */ 293#define XINE_INTR_LANCE 0x00000100 /* ro */ 294#define XINE_INTR_FLOPPY_HDS 0x00000080 /* ro */ 295#define XINE_INTR_SCC_0 0x00000040 /* ro */ 296#define XINE_INTR_TC_1 0x00000020 /* ro */ 297#define XINE_INTR_FLOPPY_XDS 0x00000010 /* ro */ 298#define XINE_INTR_VINT 0x00000008 /* ro */ 299#define XINE_INTR_N_VINT 0x00000004 /* ro */ 300#define XINE_INTR_DTOP_TX 0x00000002 /* ro */ 301#define XINE_INTR_DTOP_RX 0x00000001 /* ro */ 302#define XINE_INTR_ASIC 0xffff0000 303#define XINE_INTR_DTOP 0x00000003 304#define XINE_IM0 0xffff9b6b /* all good ones enabled */ 305 306#endif /* MIPS_XINE_H */ 307