elink3reg.h revision 1.4 1 /* $NetBSD: elink3reg.h,v 1.4 1996/09/29 11:19:43 christos Exp $ */
2
3 /*
4 * Copyright (c) 1995 Herb Peyerl <hpeyerl (at) beer.org>
5 * 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.
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 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Herb Peyerl.
18 * 4. The name of Herb Peyerl may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 *
32 */
33
34 /*
35 * These define the EEPROM data structure. They are used in the probe
36 * function to verify the existance of the adapter after having sent
37 * the ID_Sequence.
38 *
39 * There are others but only the ones we use are defined here.
40 */
41 #define EEPROM_NODE_ADDR_0 0x0 /* Word */
42 #define EEPROM_NODE_ADDR_1 0x1 /* Word */
43 #define EEPROM_NODE_ADDR_2 0x2 /* Word */
44 #define EEPROM_PROD_ID 0x3 /* 0x9[0-f]50 */
45 #define EEPROM_MFG_ID 0x7 /* 0x6d50 */
46 #define EEPROM_ADDR_CFG 0x8 /* Base addr */
47 #define EEPROM_RESOURCE_CFG 0x9 /* IRQ. Bits 12-15 */
48
49 /*
50 * These are the registers for the 3Com 3c509 and their bit patterns when
51 * applicable. They have been taken out the the "EtherLink III Parallel
52 * Tasking EISA and ISA Technical Reference" "Beta Draft 10/30/92" manual
53 * from 3com.
54 */
55 #define EP_COMMAND 0x0e /* Write. BASE+0x0e is always a command reg. */
56 #define EP_STATUS 0x0e /* Read. BASE+0x0e is always status reg. */
57 #define EP_WINDOW 0x0f /* Read. BASE+0x0f is always window reg. */
58
59 /*
60 * Window 0 registers. Setup.
61 */
62 /* Write */
63 #define EP_W0_EEPROM_DATA 0x0c
64 #define EP_W0_EEPROM_COMMAND 0x0a
65 #define EP_W0_RESOURCE_CFG 0x08
66 #define EP_W0_ADDRESS_CFG 0x06
67 #define EP_W0_CONFIG_CTRL 0x04
68 /* Read */
69 #define EP_W0_PRODUCT_ID 0x02
70 #define EP_W0_MFG_ID 0x00
71
72 /*
73 * Window 1 registers. Operating Set.
74 */
75 /* Write */
76 #define EP_W1_TX_PIO_WR_2 0x02
77 #define EP_W1_TX_PIO_WR_1 0x00
78 /* Read */
79 #define EP_W1_FREE_TX 0x0c
80 #define EP_W1_TX_STATUS 0x0b /* byte */
81 #define EP_W1_TIMER 0x0a /* byte */
82 #define EP_W1_RX_STATUS 0x08
83 #define EP_W1_RX_PIO_RD_2 0x02
84 #define EP_W1_RX_PIO_RD_1 0x00
85
86 /*
87 * Window 2 registers. Station Address Setup/Read
88 */
89 /* Read/Write */
90 #define EP_W2_RECVMASK_0 0x06
91 #define EP_W2_ADDR_5 0x05
92 #define EP_W2_ADDR_4 0x04
93 #define EP_W2_ADDR_3 0x03
94 #define EP_W2_ADDR_2 0x02
95 #define EP_W2_ADDR_1 0x01
96 #define EP_W2_ADDR_0 0x00
97
98 /*
99 * Window 3 registers. FIFO Management.
100 */
101 /* Read */
102 #define EP_W3_FREE_TX 0x0c
103 #define EP_W3_FREE_RX 0x0a
104
105 /*
106 * Window 4 registers. Diagnostics.
107 */
108 /* Read/Write */
109 #define EP_W4_MEDIA_TYPE 0x0a
110 #define EP_W4_CTRLR_STATUS 0x08
111 #define EP_W4_NET_DIAG 0x06
112 #define EP_W4_FIFO_DIAG 0x04
113 #define EP_W4_HOST_DIAG 0x02
114 #define EP_W4_TX_DIAG 0x00
115
116 /*
117 * Window 5 Registers. Results and Internal status.
118 */
119 /* Read */
120 #define EP_W5_READ_0_MASK 0x0c
121 #define EP_W5_INTR_MASK 0x0a
122 #define EP_W5_RX_FILTER 0x08
123 #define EP_W5_RX_EARLY_THRESH 0x06
124 #define EP_W5_TX_AVAIL_THRESH 0x02
125 #define EP_W5_TX_START_THRESH 0x00
126
127 /*
128 * Window 6 registers. Statistics.
129 */
130 /* Read/Write */
131 #define TX_TOTAL_OK 0x0c
132 #define RX_TOTAL_OK 0x0a
133 #define TX_DEFERRALS 0x08
134 #define RX_FRAMES_OK 0x07
135 #define TX_FRAMES_OK 0x06
136 #define RX_OVERRUNS 0x05
137 #define TX_COLLISIONS 0x04
138 #define TX_AFTER_1_COLLISION 0x03
139 #define TX_AFTER_X_COLLISIONS 0x02
140 #define TX_NO_SQE 0x01
141 #define TX_CD_LOST 0x00
142
143 /*
144 * Window 7 registers.
145 * Address and length for a single bus-master DMA transfer.
146 */
147 #define EP_W7_MASTER_ADDDRES 0x00
148 #define EP_W7_RX_ERROR 0x04
149 #define EP_W7_MASTER_LEN 0x06
150 #define EP_W7_RX_STATUS 0x08
151 #define EP_W7_TIMER 0x0a
152 #define EP_W7_TX_STATUS 0x0b
153 #define EP_W7_MASTER_STATUS 0x0c
154
155 /*
156 * Register definitions.
157 */
158
159 /*
160 * Command register. All windows.
161 *
162 * 16 bit register.
163 * 15-11: 5-bit code for command to be executed.
164 * 10-0: 11-bit arg if any. For commands with no args;
165 * this can be set to anything.
166 */
167 #define GLOBAL_RESET (u_short) 0x0000 /* Wait at least 1ms after issuing */
168 #define WINDOW_SELECT (u_short) (0x1<<11)
169 #define START_TRANSCEIVER (u_short) (0x2<<11) /* Read ADDR_CFG reg to determine
170 whether this is needed. If so;
171 wait 800 uSec before using trans-
172 ceiver. */
173 #define RX_DISABLE (u_short) (0x3<<11) /* state disabled on power-up */
174 #define RX_ENABLE (u_short) (0x4<<11)
175 #define RX_RESET (u_short) (0x5<<11)
176 #define RX_DISCARD_TOP_PACK (u_short) (0x8<<11)
177 #define TX_ENABLE (u_short) (0x9<<11)
178 #define TX_DISABLE (u_short) (0xa<<11)
179 #define TX_RESET (u_short) (0xb<<11)
180 #define REQ_INTR (u_short) (0xc<<11)
181
182 /*
183 * The following C_* acknowledge the various interrupts.
184 * Some of them don't do anything. See the manual.
185 */
186 #define ACK_INTR (u_short) (0x6800)
187 # define C_INTR_LATCH (u_short) (ACK_INTR|0x01)
188 # define C_CARD_FAILURE (u_short) (ACK_INTR|0x02)
189 # define C_TX_COMPLETE (u_short) (ACK_INTR|0x04)
190 # define C_TX_AVAIL (u_short) (ACK_INTR|0x08)
191 # define C_RX_COMPLETE (u_short) (ACK_INTR|0x10)
192 # define C_RX_EARLY (u_short) (ACK_INTR|0x20)
193 # define C_INT_RQD (u_short) (ACK_INTR|0x40)
194 # define C_UPD_STATS (u_short) (ACK_INTR|0x80)
195 #define SET_INTR_MASK (u_short) (0x0e<<11)
196 #define SET_RD_0_MASK (u_short) (0x0f<<11)
197 #define SET_RX_FILTER (u_short) (0x10<<11)
198 # define FIL_INDIVIDUAL (u_short) (0x01)
199 # define FIL_MULTICAST (u_short) (0x02)
200 # define FIL_BRDCST (u_short) (0x04)
201 # define FIL_PROMISC (u_short) (0x08)
202 #define SET_RX_EARLY_THRESH (u_short) (0x11<<11)
203 #define SET_TX_AVAIL_THRESH (u_short) (0x12<<11)
204 #define SET_TX_START_THRESH (u_short) (0x13<<11)
205 #define STATS_ENABLE (u_short) (0x15<<11)
206 #define STATS_DISABLE (u_short) (0x16<<11)
207 #define STOP_TRANSCEIVER (u_short) (0x17<<11)
208
209 /*
210 * Status register. All windows.
211 *
212 * 15-13: Window number(0-7).
213 * 12: Command_in_progress.
214 * 11: reserved.
215 * 10: reserved.
216 * 9: reserved.
217 * 8: reserved.
218 * 7: Update Statistics.
219 * 6: Interrupt Requested.
220 * 5: RX Early.
221 * 4: RX Complete.
222 * 3: TX Available.
223 * 2: TX Complete.
224 * 1: Adapter Failure.
225 * 0: Interrupt Latch.
226 */
227 #define S_INTR_LATCH (u_short) (0x0001)
228 #define S_CARD_FAILURE (u_short) (0x0002)
229 #define S_TX_COMPLETE (u_short) (0x0004)
230 #define S_TX_AVAIL (u_short) (0x0008)
231 #define S_RX_COMPLETE (u_short) (0x0010)
232 #define S_RX_EARLY (u_short) (0x0020)
233 #define S_INT_RQD (u_short) (0x0040)
234 #define S_UPD_STATS (u_short) (0x0080)
235 #define S_COMMAND_IN_PROGRESS (u_short) (0x1000)
236
237 /*
238 * FIFO Registers. RX Status.
239 *
240 * 15: Incomplete or FIFO empty.
241 * 14: 1: Error in RX Packet 0: Incomplete or no error.
242 * 14-11: Type of error. [14-11]
243 * 1000 = Overrun.
244 * 1011 = Run Packet Error.
245 * 1100 = Alignment Error.
246 * 1101 = CRC Error.
247 * 1001 = Oversize Packet Error (>1514 bytes)
248 * 0010 = Dribble Bits.
249 * (all other error codes, no errors.)
250 *
251 * 10-0: RX Bytes (0-1514)
252 */
253 #define ERR_INCOMPLETE (u_short) (0x8000)
254 #define ERR_RX (u_short) (0x4000)
255 #define ERR_MASK (u_short) (0x7800)
256 #define ERR_OVERRUN (u_short) (0x4000)
257 #define ERR_RUNT (u_short) (0x5800)
258 #define ERR_ALIGNMENT (u_short) (0x6000)
259 #define ERR_CRC (u_short) (0x6800)
260 #define ERR_OVERSIZE (u_short) (0x4800)
261 #define ERR_DRIBBLE (u_short) (0x1000)
262
263 /*
264 * TX Status
265 *
266 * Reports the transmit status of a completed transmission. Writing this
267 * register pops the transmit completion stack.
268 *
269 * Window 1/Port 0x0b.
270 *
271 * 7: Complete
272 * 6: Interrupt on successful transmission requested.
273 * 5: Jabber Error (TP Only, TX Reset required. )
274 * 4: Underrun (TX Reset required. )
275 * 3: Maximum Collisions.
276 * 2: TX Status Overflow.
277 * 1-0: Undefined.
278 *
279 */
280 #define TXS_COMPLETE 0x80
281 #define TXS_INTR_REQ 0x40
282 #define TXS_JABBER 0x20
283 #define TXS_UNDERRUN 0x10
284 #define TXS_MAX_COLLISION 0x08
285 #define TXS_STATUS_OVERFLOW 0x04
286
287 /*
288 * FIFO Status (Window 4)
289 *
290 * Supports FIFO diagnostics
291 *
292 * Window 4/Port 0x04.1
293 *
294 * 15: 1=RX receiving (RO). Set when a packet is being received
295 * into the RX FIFO.
296 * 14: Reserved
297 * 13: 1=RX underrun (RO). Generates Adapter Failure interrupt.
298 * Requires RX Reset or Global Reset command to recover.
299 * It is generated when you read past the end of a packet -
300 * reading past what has been received so far will give bad
301 * data.
302 * 12: 1=RX status overrun (RO). Set when there are already 8
303 * packets in the RX FIFO. While this bit is set, no additional
304 * packets are received. Requires no action on the part of
305 * the host. The condition is cleared once a packet has been
306 * read out of the RX FIFO.
307 * 11: 1=RX overrun (RO). Set when the RX FIFO is full (there
308 * may not be an overrun packet yet). While this bit is set,
309 * no additional packets will be received (some additional
310 * bytes can still be pending between the wire and the RX
311 * FIFO). Requires no action on the part of the host. The
312 * condition is cleared once a few bytes have been read out
313 * from the RX FIFO.
314 * 10: 1=TX overrun (RO). Generates adapter failure interrupt.
315 * Requires TX Reset or Global Reset command to recover.
316 * Disables Transmitter.
317 * 9-8: Unassigned.
318 * 7-0: Built in self test bits for the RX and TX FIFO's.
319 */
320 #define FIFOS_RX_RECEIVING (u_short) 0x8000
321 #define FIFOS_RX_UNDERRUN (u_short) 0x2000
322 #define FIFOS_RX_STATUS_OVERRUN (u_short) 0x1000
323 #define FIFOS_RX_OVERRUN (u_short) 0x0800
324 #define FIFOS_TX_OVERRUN (u_short) 0x0400
325
326 /*
327 * Misc defines for various things.
328 */
329 #define TAG_ADAPTER 0xd0
330 #define ACTIVATE_ADAPTER_TO_CONFIG 0xff
331 #define ENABLE_DRQ_IRQ 0x0001
332 #define MFG_ID 0x506d /* `TCM' */
333 #define PROD_ID 0x5090
334 #define GO_WINDOW(x) bus_io_write_2(sc->sc_bc, \
335 sc->sc_ioh, EP_COMMAND, WINDOW_SELECT|x)
336 #define AUI 0x1
337 #define BNC 0x2
338 #define UTP 0x4
339 #define IS_AUI (1<<13)
340 #define IS_BNC (1<<12)
341 #define IS_UTP (1<<9)
342 #define EEPROM_BUSY (1<<15)
343 #define EEPROM_TST_MODE (1<<14)
344 #define READ_EEPROM (1<<7)
345 #define ENABLE_UTP 0xc0
346 #define DISABLE_UTP 0x0
347 #define RX_BYTES_MASK (u_short) (0x07ff)
348
349 #define IS_PCI_AUI (1<<5)
350 #define IS_PCI_BNC (1<<4)
351 #define IS_PCI_UTP (1<<3)
352