1 /* $OpenBSD: if_iee16.h,v 1.2 1997/11/07 08:06:59 niklas Exp $ */
2
3
4 /*
5 * Copyright (c) 1993, 1994, 1995
6 * Rodney W. Grimes, Milwaukie, Oregon 97222. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer as
13 * the first lines of this file unmodified.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by Rodney W. Grimes.
20 * 4. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY RODNEY W. GRIMES ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL RODNEY W. GRIMES BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 *
34 */
35
36 /*
37 * Definitions for EtherExpress 16
38 */
39
40 #define IEE16_ATTN 0x06 /* channel attention control */
41 #define IEE16_IRQ 0x07 /* IRQ configuration */
42 #define IEE16_IRQ_ENABLE 0x08 /* enable board interrupts */
43
44 #define IEE16_MEMDEC 0x0a /* memory decode */
45 #define IEE16_MCTRL 0x0b /* memory control */
46 #define IEE16_MCTRL_FMCS16 0x10 /* MEMCS16- for F000 */
47
48 #define IEE16_MPCTRL 0x0c /* memory page control */
49 #define IEE16_CONFIG 0x0d /* config register */
50 #define IEE16_BART_LOOPBACK 0x02 /* loopback, 0=none, 1=loopback */
51 #define IEE16_BART_IOCHRDY_LATE 0x10 /* iochrdy late control bit */
52 #define IEE16_BART_IO_TEST_EN 0x20 /* enable iochrdy timing test */
53 #define IEE16_BART_IO_RESULT 0x40 /* result of the iochrdy test */
54 #define IEE16_BART_MCS16_TEST 0x80 /* enable memcs16 select test */
55
56 #define IEE16_ECTRL 0x0e /* eeprom control */
57 #define IEE16_ECTRL_EESK 0x01 /* EEPROM clock bit */
58 #define IEE16_ECTRL_EECS 0x02 /* EEPROM chip select */
59 #define IEE16_ECTRL_EEDI 0x04 /* EEPROM data in bit */
60 #define IEE16_ECTRL_EEDO 0x08 /* EEPROM data out bit */
61 #define IEE16_RESET_ASIC 0x40 /* reset ASIC (bart) pin */
62 #define IEE16_RESET_586 0x80 /* reset 82586 pin */
63 #define IEE16_ECTRL_MASK 0xb2 /* and'ed with ECTRL to enable read */
64
65 #define IEE16_MECTRL 0x0f /* memory control, 0xe000 seg 'W' */
66 #define IEE16_ID_PORT 0x0f /* auto-id port 'R' */
67
68 #define IEE16_ID 0xbaba /* known id of EE16 */
69
70 #define IEE16_EEPROM_READ 0x06 /* EEPROM read opcode */
71 #define IEE16_EEPROM_OPSIZE1 0x03 /* size of EEPROM opcodes */
72 #define IEE16_EEPROM_ADDR_SIZE 0x06 /* size of EEPROM address */
73
74 /* Locations in the EEPROM */
75 #define IEE16_EEPROM_CONFIG1 0x00 /* Configuration register 1 */
76 #define IEE16_EEPROM_IRQ 0xE000 /* Encoded IRQ */
77 #define IEE16_EEPROM_IRQ_SHIFT 13 /* To shift IRQ to lower bits */
78 #define IEE16_EEPROM_LOCK_ADDR 0x01 /* contains the lock bit */
79 #define IEE16_EEPROM_LOCKED 0x01 /* means that it is locked */
80
81 #define IEE16_EEPROM_ENET_LOW 0x02 /* Ethernet address, low word */
82 #define IEE16_EEPROM_ENET_MID 0x03 /* Ethernet address, middle word */
83 #define IEE16_EEPROM_ENET_HIGH 0x04 /* Ethernet address, high word */
84