1 /*        $NetBSD: seeq8003reg.h,v 1.4 2022/12/30 09:08:48 andvar Exp $         */
2 
3 /*
4  * Copyright (c) 2000 Soren S. Jorvang.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions, and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 /*
29  * Register definitions for the Seeq 8003 and 80C03 ethernet controllers
30  *
31  * Based on documentation available at
32  * http://www.lsilogic.com/techlib/techdocs/networking/eol/80c03.pdf .
33  */
34 
35 #define   SEEQ_ADDR0          0                   /* Station Address Byte 0 */
36 #define   SEEQ_ADDR1          1                   /* Station Address Byte 1 */
37 #define   SEEQ_ADDR2          2                   /* Station Address Byte 2 */
38 #define   SEEQ_ADDR3          3                   /* Station Address Byte 3 */
39 #define   SEEQ_ADDR4          4                   /* Station Address Byte 4 */
40 #define   SEEQ_ADDR5          5                   /* Station Address Byte 5 */
41 
42 #define SEEQ_TXCOLLS0         0                   /* Transmit Collision Counter LSB */
43 #define SEEQ_TXCOLLS1         1                   /* Transmit Collision Counter MSB */
44 #define SEEQ_ALLCOLL0         2                   /* Total Collision Counter LSB */
45 #define SEEQ_ALLCOLL1         3                   /* Total Collision Counter MSB */
46 
47 #define SEEQ_TEST   4                   /* "For Test Only" - Do Not Use */
48 
49 #define SEEQ_SQE    5                   /* SQE / No Carrier */
50 #define SQE_FLAG    0x01                /* SQE Flag */
51 #define SQE_NOCARR  0x02                /* No Carrier Flag */
52 
53 #define SEEQ_RXCMD  6                   /* Rx Command */
54 #define RXCMD_IE_OFLOW        0x01                /* Interrupt on Overflow Error */
55 #define RXCMD_IE_CRC          0x02                /* Interrupt on CRC Error */
56 #define RXCMD_IE_DRIB         0x04                /* Interrupt on Dribble Error */
57 #define RXCMD_IE_SHORT        0x08                /* Interrupt on Short Frame */
58 #define RXCMD_IE_END          0x10                /* Interrupt on End of Frame */
59 #define RXCMD_IE_GOOD         0x20                /* Interrupt on Good Frame */
60 #define RXCMD_REC_MASK        0xc0                /* Receiver Match Mode Mask */
61 #define RXCMD_REC_NONE        0x00                /* Receiver Disabled */
62 #define RXCMD_REC_ALL         0x40                /* Receive All Frames */
63 #define RXCMD_REC_BROAD       0x80                /* Receive Station/Broadcast Frames */
64 #define RXCMD_REC_MULTI       0xc0                /* Station/Broadcast/Multicast */
65 
66 #define SEEQ_RXSTAT 6                   /* Rx Status */
67 #define RXSTAT_OFLOW          0x01                /* Frame Overflow Error */
68 #define RXSTAT_CRC  0x02                /* Frame CRC Error */
69 #define RXSTAT_DRIB 0x04                /* Frame Dribble Error */
70 #define RXSTAT_SHORT          0x08                /* Received Short Frame */
71 #define RXSTAT_END  0x10                /* Received End of Frame */
72 #define RXSTAT_GOOD 0x20                /* Received Good Frame */
73 #define RXSTAT_OLDNEW         0x80                /* Old/New Status */
74 
75 #define SEEQ_TXCMD  7                   /* Tx Command */
76 #define TXCMD_IE_UFLOW        0x01                /* Interrupt on Transmit Underflow */
77 #define TXCMD_IE_COLL         0x02                /* Interrupt on Transmit Collision */
78 #define TXCMD_IE_16COLL       0x04                /* Interrupt on 16 Collisions */
79 #define TXCMD_IE_GOOD         0x08                /* Interrupt on Transmit Success */
80 #define TXCMD_ENABLE_C        0xf0                /* (80C03) Enable 80C03 Mode */
81 #define TXCMD_BANK_MASK       0x60                /* (80C03) Register Bank Mask */
82 #define TXCMD_BANK0 0x00                /* (80C03) Register Bank 0 (8003) */
83 #define TXCMD_BANK1 0x20                /* (80C03) Register Bank 1 (Writes) */
84 #define TXCMD_BANK2 0x40                /* (80C03) Register Bank 2 (Writes) */
85 
86 #define SEEQ_TXSTAT 7                   /* Tx Status */
87 #define TXSTAT_UFLOW          0x01                /* Transmit Underflow */
88 #define TXSTAT_COLL 0x02                /* Transmit Collision */
89 #define TXSTAT_16COLL         0x04                /* 16 Collisions */
90 #define TXSTAT_GOOD 0x08                /* Transmit Success */
91 #define TXSTAT_OLDNEW         0x80                /* Old/New Status */
92 
93 /*
94  * 80C03 Mode Register Bank 1
95  */
96 
97 #define SEEQ_MC_HASH0         0                   /* Multicast Filter Byte 0 (LSB) */
98 #define SEEQ_MC_HASH1         1                   /* Multicast Filter Byte 1 */
99 #define SEEQ_MC_HASH2         2                   /* Multicast Filter Byte 2 */
100 #define SEEQ_MC_HASH3         3                   /* Multicast Filter Byte 3 */
101 #define SEEQ_MC_HASH4         4                   /* Multicast Filter Byte 4 */
102 #define SEEQ_MC_HASH5         5                   /* Multicast Filter Byte 5 */
103 
104 /*
105  * 80C03 Mode Register Bank 2
106  */
107 
108 #define SEEQ_MC_HASH6         0                   /* Multicast Filter Byte 6 */
109 #define SEEQ_MC_HASH7         1                   /* Multicast Filter Byte 7 (MSB) */
110 
111 #define SEEQ_RESERVED0        2                   /* Reserved (Set to All Zeroes) */
112 
113 #define SEEQ_TXCTRL 3                   /* Tx Control */
114 #define TXCTRL_TXCOLL         0x01                /* Clear/Enable Tx Collision Counter */
115 #define TXCTRL_COLL 0x02                /* Clear/Enable Collision Counter */
116 #define TXCTRL_SQE  0x04                /* Clear/Enable SQE Flag */
117 #define   TXCTRL_HASH         0x08                /* Enable Multicast Hash Filter */
118 #define TXCTRL_SHORT          0x10                /* Receive Short (<13 Bytes) Frames */
119 #define TXCTRL_NOCARR         0x20                /* Clear/Enable No Carrier Flag */
120 
121 #define SEEQ_CFG    4                   /* Transmit/Receive Configuration */
122 #define CFG_RX_GRPADDR        0x01                /* Ignore Last 4 Bits of Address */
123 #define CFG_TX_AUTOPAD        0x02                /* Automatically Pad to 60 Bytes */
124 #define CFG_TX_NOPRE          0x04                /* Do Not Add Preamble Pattern */
125 #define CFG_RX_NOOWN          0x08                /* Do Not Receive Own Packets */
126 #define CFG_TX_NOCRC          0x10                /* No Not Append CRC */
127 #define CFG_TX_DUPLEX         0x20                /* AutoDUPLEX - Ignore Carrier */
128 #define CFG_RX_CRCFIFO        0x40                /* Write CRC to FIFO */
129 #define CFG_RX_FASTDISC       0x80                /* Fast Receive Discard Mode */
130 
131 #define SEEQ_RESERVED1        5                   /* Reserved */
132 #define SEEQ_RESERVED2        6                   /* Reserved */
133 #define SEEQ_RESERVED3        7                   /* Reserved */
134