xref: /openbsd/sys/dev/isa/if_exreg.h (revision 4874faba)
1 /*	$OpenBSD: if_exreg.h,v 1.4 2009/05/23 15:35:10 jsg Exp $	*/
2 /*
3  * Copyright (c) 1996, Javier Mart�n Rueda (jmrueda@diatel.upm.es)
4  * 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 unmodified, this list of conditions, and the following
11  *    disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 /*
30  * Intel EtherExpress Pro/10 Ethernet driver
31  */
32 
33 /*
34  * Several constants.
35  */
36 
37 /* Default RAM size in board. */
38 #define CARD_RAM_SIZE 0x8000
39 /* Number of I/O ports used. */
40 #define EX_IOSIZE 16
41 
42 /*
43  * Intel EtherExpress Pro (i82595 based) registers
44  */
45 
46 /* Common registers to all banks. */
47 
48 #define CMD_REG 0
49 #define REG1 1
50 #define REG2 2
51 #define REG3 3
52 #define REG4 4
53 #define REG5 5
54 #define REG6 6
55 #define REG7 7
56 #define REG8 8
57 #define REG9 9
58 #define REG10 10
59 #define REG11 11
60 #define REG12 12
61 #define REG13 13
62 #define REG14 14
63 #define REG15 15
64 
65 /* Definitions for command register (CMD_REG). */
66 
67 #define Switch_Bank_CMD 0
68 #define MC_Setup_CMD 3
69 #define Transmit_CMD 4
70 #define Diagnose_CMD 7
71 #define Rcv_Enable_CMD 8
72 #define Rcv_Stop 11
73 #define Reset_CMD 14
74 #define Resume_XMT_List_CMD 28
75 #define Sel_Reset_CMD 30
76 #define Abort 0x20
77 #define Bank0_Sel 0x00
78 #define Bank1_Sel 0x40
79 #define Bank2_Sel 0x80
80 
81 /* Bank 0 specific registers. */
82 
83 #define STATUS_REG 1
84 #define ID_REG 2
85 #define Id_Mask 0x2c
86 #define Id_Sig 0x24
87 #define Counter_bits 0xc0
88 #define MASK_REG 3
89 #define Exec_Int 0x08
90 #define Tx_Int 0x04
91 #define Rx_Int 0x02
92 #define Rx_Stp_Int 0x01
93 #define All_Int 0x0f
94 #define RCV_BAR 4
95 #define RCV_BAR_Lo 4
96 #define RCV_BAR_Hi 5
97 #define RCV_STOP_REG 6
98 #define XMT_BAR 10
99 #define HOST_ADDR_REG 12	/* 16-bit register */
100 #define IO_PORT_REG 14	/* 16-bit register */
101 
102 /* Bank 1 specific registers. */
103 
104 #define TriST_INT 0x80
105 #define INT_NO_REG 2
106 #define RCV_LOWER_LIMIT_REG 8
107 #define RCV_UPPER_LIMIT_REG 9
108 #define XMT_LOWER_LIMIT_REG 10
109 #define XMT_UPPER_LIMIT_REG 11
110 
111 /* Bank 2 specific registers. */
112 
113 #define Disc_Bad_Fr 0x80
114 #define Tx_Chn_ErStp 0x40
115 #define Tx_Chn_Int_Md 0x20
116 #define Multi_IA 0x20
117 #define No_SA_Ins 0x10
118 #define RX_CRC_InMem 0x04
119 #define Promisc_Mode 0x01
120 #define BNC_bit 0x20
121 #define TPE_bit 0x04
122 #define I_ADDR_REG0 4
123 #define EEPROM_REG 10
124 #define Trnoff_Enable 0x10
125 
126 /* EEPROM memory positions (16-bit wide). */
127 
128 #define EE_W0			0x00
129 # define EE_W0_PNP		0x0001
130 # define EE_W0_BUS16		0x0004
131 # define EE_W0_FLASH_ADDR_MASK	0x0038
132 # define EE_W0_FLASH_ADDR_SHIFT	3
133 # define EE_W0_AUTO_IO		0x0040
134 # define EE_W0_FLASH		0x0100
135 # define EE_W0_AUTO_NEG		0x0200
136 # define EE_W0_IO_MASK		0xFC00
137 # define EE_W0_IO_SHIFT		10
138 
139 #define EE_IRQ_No 1
140 #define IRQ_No_Mask 0x07
141 
142 #define EE_W1			0x01
143 # define EE_W1_INT_SEL		0x0007
144 # define EE_W1_NO_LINK_INT	0x0008	/* Link Integrity Off		*/
145 # define EE_W1_NO_POLARITY	0x0010	/* Polarity Correction Off	*/
146 # define EE_W1_TPE_AUI		0x0020	/* 1 = TPE, 0 = AUI		*/
147 # define EE_W1_NO_JABBER_PREV	0x0040	/* Jabber prevention Off	*/
148 # define EE_W1_NO_AUTO_SELECT	0x0080	/* Auto Port Selection Off	*/
149 # define EE_W1_SMOUT		0x0100	/* SMout Pin Control 0= Input	*/
150 # define EE_W1_PROM		0x0200	/* Flash = 0, PROM = 1		*/
151 # define EE_W1_ALT_READY	0x2000	/* Alternate Ready, 0=normal	*/
152 # define EE_W1_FULL_DUPLEX	0x8000
153 
154 #define EE_W2			0x02
155 #define EE_W3			0x03
156 #define EE_W4			0x04
157 
158 #define EE_Eth_Addr_Lo 2
159 #define EE_Eth_Addr_Mid 3
160 #define EE_Eth_Addr_Hi 4
161 
162 #define EE_W5			0x05
163 # define EE_W5_BNC_TPE		0x0001	/* 0 = TPE, 1 = BNC		*/
164 # define EE_W5_BOOT_IPX		0x0002
165 # define EE_W5_BOOT_ODI		0x0004
166 # define EE_W5_BOOT_NDIS	(EE_W5_BOOT_IPX|EE_W5_BOOT_ODI)
167 # define EE_W5_NUM_CONN		0x0008	/* 0 = 2, 1 = 3			*/
168 # define EE_W5_NOFLASH		0x0010	/* No flash socket present	*/
169 # define EE_W5_PORT_TPE		0x0020	/* TPE present			*/
170 # define EE_W5_PORT_BNC		0x0040	/* BNC present			*/
171 # define EE_W5_PORT_AUI		0x0080	/* AUI present			*/
172 # define EE_W5_PWR_MGT		0x0100	/* Power Management		*/
173 # define EE_W5_CP		0x0200	/* COncurrent Processing	*/
174 
175 #define EE_W6			0x05
176 # define EE_W6_STEP_MASK	0x000F
177 # define EE_W6_BOARD_MASK	0xF
178 
179 /* EEPROM serial interface. */
180 
181 #define EESK 0x01
182 #define EECS 0x02
183 #define EEDI 0x04
184 #define EEDO 0x08
185 #define EE_READ_CMD (6 << 6)
186 
187 /* Frame chain constants. */
188 
189 /* Transmit header length (in board's ring buffer). */
190 #define XMT_HEADER_LEN 8
191 #define XMT_Chain_Point 4
192 #define XMT_Byte_Count 6
193 #define Done_bit 0x0080
194 #define Ch_bit 0x8000
195 /* Transmit result bits. */
196 #define No_Collisions_bits 0x000f
197 #define TX_OK_bit 0x2000
198 /* Receive result bits. */
199 #define RCV_Done 8
200 #define RCV_OK_bit 0x2000
201