xref: /netbsd-src/sys/dev/isa/if_ixreg.h (revision fe3273fbb45a6eb5f3dcb1a46d5629eb2b14d150)
1 /*	$NetBSD: if_ixreg.h,v 1.3 2001/01/22 22:28:47 bjh21 Exp $	*/
2 
3 /*
4  * Copyright (c) 1993, 1994, 1995
5  *	Rodney W. Grimes, Milwaukie, Oregon  97222.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer as
12  *    the first lines of this file unmodified.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by Rodney W. Grimes.
19  * 4. The name of the author may not be used to endorse or promote products
20  *    derived from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY RODNEY W. GRIMES ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25  * IN NO EVENT SHALL RODNEY W. GRIMES BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  *
33  */
34 
35 /*
36  * Definitions for EtherExpress 16
37  */
38 
39 #define IX_IOSIZE	16	/* card has 16 registers in IO space */
40 
41 #define IX_DATAPORT  		0x00	/* shared memory data port */
42 #define IX_WRITEPTR  		0x02	/* shared memory write pointer */
43 #define IX_READPTR  		0x04	/* shared memory read pointer */
44 
45 #define IX_ATTN			0x06	/* channel attention control */
46 #define IX_IRQ			0x07	/* IRQ configuration */
47 #define IX_IRQ_ENABLE		0x08	/* enable board interrupts */
48 
49 #define IX_SHADOWPTR  		0x08	/* shadow memory pointer */
50 
51 #define IX_MEMDEC		0x0a	/* memory decode */
52 #define IX_MCTRL		0x0b	/* memory control */
53 #define IX_MCTRL_FMCS16		0x10	/* MEMCS16- for F000 */
54 
55 #define IX_MPCTRL		0x0c	/* memory page control */
56 #define IX_CONFIG		0x0d	/* config register */
57 #define IX_BART_LOOPBACK	0x02	/* loopback, 0=none, 1=loopback */
58 #define IX_BART_IOCHRDY_LATE	0x10	/* iochrdy late control bit */
59 #define IX_BART_IO_TEST_EN	0x20	/* enable iochrdy timing test */
60 #define IX_BART_IO_RESULT	0x40	/* result of the iochrdy test */
61 #define IX_BART_MCS16_TEST	0x80	/* enable memcs16 select test */
62 
63 #define IX_ECTRL		0x0e	/* eeprom control */
64 #define IX_ECTRL_EESK		0x01	/* EEPROM clock bit */
65 #define IX_ECTRL_EECS		0x02	/* EEPROM chip select */
66 #define IX_ECTRL_EEDI		0x04	/* EEPROM data in bit */
67 #define IX_ECTRL_EEDO		0x08	/* EEPROM data out bit */
68 #define IX_RESET_ASIC		0x40	/* reset ASIC (bart) pin */
69 #define IX_RESET_586		0x80	/* reset 82586 pin */
70 #define IX_ECTRL_MASK		0xb2	/* and'ed with ECTRL to enable read  */
71 
72 #define IX_MECTRL		0x0f	/* memory control, 0xe000 seg 'W' */
73 #define IX_ID_PORT		0x0f	/* auto-id port 'R' */
74 
75 #define IX_ID			0xbaba	/* known id of EE16 */
76 
77 #define IX_EEPROM_READ	0x06	/* EEPROM read opcode */
78 #define IX_EEPROM_OPSIZE1	0x03	/* size of EEPROM opcodes */
79 #define IX_EEPROM_ADDR_SIZE	0x06	/* size of EEPROM address */
80 
81 /* Locations in the EEPROM */
82 #define IX_EEPROM_CONFIG1	0x00	/* Configuration register 1 */
83 #define IX_EEPROM_MEDIA_EXT	0x1000	/* Using external transceiver */
84 
85 #define IX_EEPROM_IRQ		0xE000	/* Encoded IRQ */
86 #define IX_EEPROM_IRQ_SHIFT	13	/* To shift IRQ to lower bits */
87 #define IX_EEPROM_LOCK_ADDR	0x01	/* contains the lock bit */
88 #define IX_EEPROM_LOCKED	0x01	/* means that it is locked */
89 
90 #define IX_EEPROM_ENET_LOW	0x02	/* Ethernet address, low word */
91 #define IX_EEPROM_ENET_MID	0x03	/* Ethernet address, middle word */
92 #define IX_EEPROM_ENET_HIGH	0x04	/* Ethernet address, high word */
93 
94 #define IX_EEPROM_MEDIA		0x05	/* Selects between TP/BNC */
95 #define IX_EEPROM_MEDIA_TP	0x01	/* if ON, using TP, else BNC */
96 
97