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