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      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 (at) 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