FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/elink3reg.h
1 /* $OpenBSD: elink3reg.h,v 1.16 2015/02/28 11:25:49 miod Exp $ */
2 /* $NetBSD: elink3reg.h,v 1.13 1997/04/27 09:42:34 veego Exp $ */
3
4 /*
5 * Copyright (c) 1995 Herb Peyerl <hpeyerl@beer.org>
6 * 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.
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 Herb Peyerl.
19 * 4. The name of Herb Peyerl 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 THE AUTHOR ``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 THE AUTHOR 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 * These define the EEPROM data structure. They are used in the probe
37 * function to verify the existence of the adapter after having sent
38 * the ID_Sequence.
39 *
40 * There are others but only the ones we use are defined here.
41 */
42 #define EEPROM_NODE_ADDR_0 0x0 /* Word */
43 #define EEPROM_NODE_ADDR_1 0x1 /* Word */
44 #define EEPROM_NODE_ADDR_2 0x2 /* Word */
45 #define EEPROM_PROD_ID 0x3 /* 0x9[0-f]50 */
46 #define EEPROM_MFG_ID 0x7 /* 0x6d50 */
47 #define EEPROM_ADDR_CFG 0x8 /* Base addr */
48 #define EEPROM_RESOURCE_CFG 0x9 /* IRQ. Bits 12-15 */
49 #define EEPROM_OEM_ADDR0 0xa
50 #define EEPROM_PNP 0x13 /* PNP mode and such? */
51
52 /*
53 * These are the registers for the 3Com 3c509 and their bit patterns when
54 * applicable. They have been taken out of the "EtherLink III Parallel
55 * Tasking EISA and ISA Technical Reference" "Beta Draft 10/30/92" manual
56 * from 3com.
57 */
58 #define EP_COMMAND 0x0e /* Write. BASE+0x0e is always a command reg. */
59 #define EP_STATUS 0x0e /* Read. BASE+0x0e is always status reg. */
60 #define EP_WINDOW 0x0f /* Read. BASE+0x0f is always window reg. */
61
62 /*
63 * Window 0 registers. Setup.
64 */
65 /* Write */
66 #define EP_W0_EEPROM_DATA 0x0c
67 #define EP_W0_EEPROM_COMMAND 0x0a
68 #define EP_W0_RESOURCE_CFG 0x08
69 #define EP_W0_ADDRESS_CFG 0x06
70 #define EP_W0_CONFIG_CTRL 0x04
71 /* Read */
72 #define EP_W0_PRODUCT_ID 0x02
73 #define EP_W0_MFG_ID 0x00
74
75 /*
76 * Window 1 registers. Operating Set.
77 */
78 /* Write */
79 #define EP_W1_TX_PIO_WR_2 0x02
80 #define EP_W1_TX_PIO_WR_1 0x00
81 /* Read */
82 #define EP_W1_FREE_TX 0x0c
83 #define EP_W1_TX_STATUS 0x0b /* byte */
84 #define EP_W1_TIMER 0x0a /* byte */
85 #define EP_W1_RX_STATUS 0x08
86 #define EP_W1_RX_PIO_RD_2 0x02
87 #define EP_W1_RX_PIO_RD_1 0x00
88
89 /* Special registers used by the RoadRunner. These are used to program
90 * a FIFO buffer to reduce the PCMCIA->PCI bridge latency during PIO.
91 */
92 #define EP_W1_RUNNER_RDCTL 0x16
93 #define EP_W1_RUNNER_WRCTL 0x1c
94
95 /*
96 * Window 2 registers. Station Address Setup/Read
97 */
98 /* Read/Write */
99 #define EP_W2_RECVMASK_0 0x06
100 #define EP_W2_ADDR_5 0x05
101 #define EP_W2_ADDR_4 0x04
102 #define EP_W2_ADDR_3 0x03
103 #define EP_W2_ADDR_2 0x02
104 #define EP_W2_ADDR_1 0x01
105 #define EP_W2_ADDR_0 0x00
106
107 /*
108 * Window 3 registers. FIFO Management.
109 */
110 /* Read */
111 #define EP_W3_FREE_TX 0x0c
112 #define EP_W3_FREE_RX 0x0a
113 /* Read/Write, at least on busmastering cards. */
114 #define EP_W3_INTERNAL_CONFIG 0x00 /* 32 bits */
115 #define EP_W3_OTHER_INT 0x04 /* 8 bits */
116 #define EP_W3_PIO_RESERVED 0x05 /* 8 bits */
117 #define EP_W3_MAC_CONTROL 0x06 /* 16 bits */
118 #define EP_W3_RESET_OPTIONS 0x08 /* 16 bits */
119
120 /*
121 * Window 4 registers. Diagnostics.
122 */
123 /* Read/Write */
124 #define EP_W4_MEDIA_TYPE 0x0a
125 #define EP_W4_CTRLR_STATUS 0x08
126 #define EP_W4_NET_DIAG 0x06
127 #define EP_W4_FIFO_DIAG 0x04
128 #define EP_W4_HOST_DIAG 0x02
129 #define EP_W4_TX_DIAG 0x00
130
131 /*
132 * Window 4 offset 8 is the PHY Management register on the
133 * 3c90x.
134 */
135 #define EP_W4_BOOM_PHYSMGMT 0x08
136 #define PHYSMGMT_CLK 0x0001
137 #define PHYSMGMT_DATA 0x0002
138 #define PHYSMGMT_DIR 0x0004
139
140 /*
141 * Window 5 Registers. Results and Internal status.
142 */
143 /* Read */
144 #define EP_W5_READ_0_MASK 0x0c
145 #define EP_W5_INTR_MASK 0x0a
146 #define EP_W5_RX_FILTER 0x08
147 #define EP_W5_RX_EARLY_THRESH 0x06
148 #define EP_W5_TX_AVAIL_THRESH 0x02
149 #define EP_W5_TX_START_THRESH 0x00
150
151 /*
152 * Window 6 registers. Statistics.
153 */
154 /* Read/Write */
155 #define TX_TOTAL_OK 0x0c
156 #define RX_TOTAL_OK 0x0a
157 #define TX_DEFERRALS 0x08
158 #define RX_FRAMES_OK 0x07
159 #define TX_FRAMES_OK 0x06
160 #define RX_OVERRUNS 0x05
161 #define TX_COLLISIONS 0x04
162 #define TX_AFTER_1_COLLISION 0x03
163 #define TX_AFTER_X_COLLISIONS 0x02
164 #define TX_NO_SQE 0x01
165 #define TX_CD_LOST 0x00
166
167 /*
168 * Window 7 registers.
169 * Address and length for a single bus-master DMA transfer.
170 */
171 #define EP_W7_MASTER_ADDDRES 0x00
172 #define EP_W7_RX_ERROR 0x04
173 #define EP_W7_MASTER_LEN 0x06
174 #define EP_W7_RX_STATUS 0x08
175 #define EP_W7_TIMER 0x0a
176 #define EP_W7_TX_STATUS 0x0b
177 #define EP_W7_MASTER_STATUS 0x0c
178
179 /*
180 * Register definitions.
181 */
182
183 /*
184 * Command register. All windows.
185 *
186 * 16 bit register.
187 * 15-11: 5-bit code for command to be executed.
188 * 10-0: 11-bit arg if any. For commands with no args;
189 * this can be set to anything.
190 */
191 #define GLOBAL_RESET (u_short) 0x0000 /* Wait at least 1ms after issuing */
192 #define WINDOW_SELECT (u_short) (0x1<<11)
193 #define START_TRANSCEIVER (u_short) (0x2<<11) /* Read ADDR_CFG reg to determine
194 whether this is needed. If so;
195 wait 800 uSec before using trans-
196 ceiver. */
197 #define RX_DISABLE (u_short) (0x3<<11) /* state disabled on power-up */
198 #define RX_ENABLE (u_short) (0x4<<11)
199 #define RX_RESET (u_short) (0x5<<11)
200 #define RX_DISCARD_TOP_PACK (u_short) (0x8<<11)
201 #define TX_ENABLE (u_short) (0x9<<11)
202 #define TX_DISABLE (u_short) (0xa<<11)
203 #define TX_RESET (u_short) (0xb<<11)
204 #define REQ_INTR (u_short) (0xc<<11)
205
206 /*
207 * The following C_* acknowledge the various interrupts.
208 * Some of them don't do anything. See the manual.
209 */
210 #define ACK_INTR (u_short) (0x6800)
211 # define C_INTR_LATCH (u_short) (ACK_INTR|0x01)
212 # define C_CARD_FAILURE (u_short) (ACK_INTR|0x02)
213 # define C_TX_COMPLETE (u_short) (ACK_INTR|0x04)
214 # define C_TX_AVAIL (u_short) (ACK_INTR|0x08)
215 # define C_RX_COMPLETE (u_short) (ACK_INTR|0x10)
216 # define C_RX_EARLY (u_short) (ACK_INTR|0x20)
217 # define C_INT_RQD (u_short) (ACK_INTR|0x40)
218 # define C_UPD_STATS (u_short) (ACK_INTR|0x80)
219
220 #define SET_INTR_MASK (u_short) (0x0e<<11)
221
222 /* busmastering-cards only? */
223 #define STATUS_ENABLE (u_short) (0x0f<<11)
224
225 #define SET_RD_0_MASK (u_short) (0x0f<<11)
226
227 #define SET_RX_FILTER (u_short) (0x10<<11)
228 # define FIL_INDIVIDUAL (u_short) (0x01)
229 # define FIL_MULTICAST (u_short) (0x02)
230 # define FIL_BRDCST (u_short) (0x04)
231 # define FIL_PROMISC (u_short) (0x08)
232
233 #define SET_RX_EARLY_THRESH (u_short) (0x11<<11)
234 #define SET_TX_AVAIL_THRESH (u_short) (0x12<<11)
235 #define SET_TX_START_THRESH (u_short) (0x13<<11)
236 #define START_DMA (u_short) (0x14<<11) /* busmaster-only */
237 # define START_DMA_TX (START_DMA | 0x0)) /* busmaster-only */
238 # define START_DMA_RX (START_DMA | 0x1) /* busmaster-only */
239 #define STATS_ENABLE (u_short) (0x15<<11)
240 #define STATS_DISABLE (u_short) (0x16<<11)
241 #define STOP_TRANSCEIVER (u_short) (0x17<<11)
242
243 /* Only on adapters that support power management: */
244 #define POWERUP (u_short) (0x1b<<11)
245 #define POWERDOWN (u_short) (0x1c<<11)
246 #define POWERAUTO (u_short) (0x1d<<11)
247
248 /*
249 * Command parameter that disables threshold interrupts
250 * PIO (3c509) cards use 2044. The fifo word-oriented and 2044--2047 work.
251 * "busmastering" cards need 8188.
252 * The implicit two-bit upshift done by busmastering cards means
253 * a value of 2047 disables threshold interrupts on both.
254 */
255 #define EP_THRESH_DISABLE 2047
256
257 /*
258 * Status register. All windows.
259 *
260 * 15-13: Window number(0-7).
261 * 12: Command_in_progress.
262 * 11: reserved / DMA in progress on busmaster cards.
263 * 10: reserved.
264 * 9: reserved.
265 * 8: reserved / DMA done on busmaster cards.
266 * 7: Update Statistics.
267 * 6: Interrupt Requested.
268 * 5: RX Early.
269 * 4: RX Complete.
270 * 3: TX Available.
271 * 2: TX Complete.
272 * 1: Adapter Failure.
273 * 0: Interrupt Latch.
274 */
275 #define S_INTR_LATCH (u_short) (0x0001)
276 #define S_CARD_FAILURE (u_short) (0x0002)
277 #define S_TX_COMPLETE (u_short) (0x0004)
278 #define S_TX_AVAIL (u_short) (0x0008)
279 #define S_RX_COMPLETE (u_short) (0x0010)
280 #define S_RX_EARLY (u_short) (0x0020)
281 #define S_INT_RQD (u_short) (0x0040)
282 #define S_UPD_STATS (u_short) (0x0080)
283 #define S_DMA_DONE (u_short) (0x0100) /* DMA cards only */
284 #define S_DOWN_COMPLETE (u_short) (0x0200) /* DMA cards only */
285 #define S_UP_COMPLETE (u_short) (0x0400) /* DMA cards only */
286 #define S_DMA_IN_PROGRESS (u_short) (0x0800) /* DMA cards only */
287 #define S_COMMAND_IN_PROGRESS (u_short) (0x1000)
288
289 /*
290 * FIFO Registers. RX Status.
291 *
292 * 15: Incomplete or FIFO empty.
293 * 14: 1: Error in RX Packet 0: Incomplete or no error.
294 * 14-11: Type of error. [14-11]
295 * 1000 = Overrun.
296 * 1011 = Run Packet Error.
297 * 1100 = Alignment Error.
298 * 1101 = CRC Error.
299 * 1001 = Oversize Packet Error (>1514 bytes)
300 * 0010 = Dribble Bits.
301 * (all other error codes, no errors.)
302 *
303 * 10-0: RX Bytes (0-1514)
304 */
305 #define ERR_INCOMPLETE (u_short) (0x8000)
306 #define ERR_RX (u_short) (0x4000)
307 #define ERR_MASK (u_short) (0x7800)
308 #define ERR_OVERRUN (u_short) (0x4000)
309 #define ERR_RUNT (u_short) (0x5800)
310 #define ERR_ALIGNMENT (u_short) (0x6000)
311 #define ERR_CRC (u_short) (0x6800)
312 #define ERR_OVERSIZE (u_short) (0x4800)
313 #define ERR_DRIBBLE (u_short) (0x1000)
314
315 /*
316 * TX Status
317 *
318 * Reports the transmit status of a completed transmission. Writing this
319 * register pops the transmit completion stack.
320 *
321 * Window 1/Port 0x0b.
322 *
323 * 7: Complete
324 * 6: Interrupt on successful transmission requested.
325 * 5: Jabber Error (TP Only, TX Reset required. )
326 * 4: Underrun (TX Reset required. )
327 * 3: Maximum Collisions.
328 * 2: TX Status Overflow.
329 * 1-0: Undefined.
330 *
331 */
332 #define TXS_COMPLETE 0x80
333 #define TXS_INTR_REQ 0x40
334 #define TXS_JABBER 0x20
335 #define TXS_UNDERRUN 0x10
336 #define TXS_MAX_COLLISION 0x08
337 #define TXS_STATUS_OVERFLOW 0x04
338
339 /*
340 * RX status
341 * Window 1/Port 0x08.
342 */
343 #define RX_BYTES_MASK (u_short) (0x07ff)
344
345 /*
346 * Internal Config and MAC control (Window 3)
347 * Window 3 / Port 0: 32-bit internal config register:
348 * bits 0-2: fifo buffer ram size
349 * 3: ram width (word/byte) (ro)
350 * 4-5: ram speed
351 * 6-7: rom size
352 * 8-15: reserved
353 *
354 * 16-17: ram split (5:3, 3:1, or 1:1).
355 * 18-19: reserved
356 * 20-22: selected media type
357 * 21: unused
358 * 24: (nonvolatile) driver should autoselect media
359 * 25-31: reserved
360 *
361 * The low-order 16 bits should generally not be changed by software.
362 * Offsets defined for two 16-bit words, to help out 16-bit busses.
363 */
364 #define CONFIG_RAMSIZE (u_short) 0x0007
365 #define CONFIG_RAMSIZE_SHIFT (u_short) 0
366
367 #define CONFIG_RAMWIDTH (u_short) 0x0008
368 #define CONFIG_RAMWIDTH_SHIFT (u_short) 3
369
370 #define CONFIG_RAMSPEED (u_short) 0x0030
371 #define CONFIG_RAMSPEED_SHIFT (u_short) 4
372 #define CONFIG_ROMSIZE (u_short) 0x00c0
373 #define CONFIG_ROMSIZE_SHIFT (u_short) 6
374
375 /* Window 3/port 2 */
376 #define CONFIG_RAMSPLIT (u_short) 0x0003
377 #define CONFIG_RAMSPLIT_SHIFT (u_short) 0
378 #define CONFIG_MEDIAMASK (u_short) 0x0070
379 #define CONFIG_MEDIAMASK_SHIFT (u_short) 4
380
381 /*
382 * MAC_CONTROL (Window 3)
383 */
384 #define MAC_CONTROL_FDX 0x20 /* full-duplex mode */
385
386 /* Active media in EP_W3_RESET_OPTIONS mediamask bits */
387
388 #define EPMEDIA_10BASE_T (u_short) 0x00
389 #define EPMEDIA_AUI (u_short) 0x01
390 #define EPMEDIA_RESV1 (u_short) 0x02
391 #define EPMEDIA_10BASE_2 (u_short) 0x03
392 #define EPMEDIA_100BASE_TX (u_short) 0x04
393 #define EPMEDIA_100BASE_FX (u_short) 0x05
394 #define EPMEDIA_MII (u_short) 0x06
395 #define EPMEDIA_100BASE_T4 (u_short) 0x07
396
397
398 #define CONFIG_AUTOSELECT (u_short) 0x0100
399 #define CONFIG_AUTOSELECT_SHIFT (u_short) 8
400
401 /*
402 * RESET_OPTIONS (Window 4, on Demon/Vortex/Boomerang only)
403 * also mapped to PCI configuration space on PCI adaptors.
404 *
405 * (same register as Vortex EP_W3_RESET_OPTIONS, mapped to pci-config space)
406 */
407 #define EP_PCI_100BASE_T4 (1<<0)
408 #define EP_PCI_100BASE_TX (1<<1)
409 #define EP_PCI_100BASE_FX (1<<2)
410 #define EP_PCI_10BASE_T (1<<3)
411 # define EP_PCI_UTP EP_PCI_10BASE_T
412 #define EP_PCI_BNC (1<<4)
413 #define EP_PCI_AUI (1<<5)
414 #define EP_PCI_100BASE_MII (1<<6)
415 #define EP_PCI_INTERNAL_VCO (1<<8)
416
417 #define EP_RUNNER_MII_RESET 0x4000
418 #define EP_RUNNER_ENABLE_MII 0x8000
419
420 /*
421 * FIFO Status (Window 4)
422 *
423 * Supports FIFO diagnostics
424 *
425 * Window 4/Port 0x04.1
426 *
427 * 15: 1=RX receiving (RO). Set when a packet is being received
428 * into the RX FIFO.
429 * 14: Reserved
430 * 13: 1=RX underrun (RO). Generates Adapter Failure interrupt.
431 * Requires RX Reset or Global Reset command to recover.
432 * It is generated when you read past the end of a packet -
433 * reading past what has been received so far will give bad
434 * data.
435 * 12: 1=RX status overrun (RO). Set when there are already 8
436 * packets in the RX FIFO. While this bit is set, no additional
437 * packets are received. Requires no action on the part of
438 * the host. The condition is cleared once a packet has been
439 * read out of the RX FIFO.
440 * 11: 1=RX overrun (RO). Set when the RX FIFO is full (there
441 * may not be an overrun packet yet). While this bit is set,
442 * no additional packets will be received (some additional
443 * bytes can still be pending between the wire and the RX
444 * FIFO). Requires no action on the part of the host. The
445 * condition is cleared once a few bytes have been read out
446 * from the RX FIFO.
447 * 10: 1=TX overrun (RO). Generates adapter failure interrupt.
448 * Requires TX Reset or Global Reset command to recover.
449 * Disables Transmitter.
450 * 9-8: Unassigned.
451 * 7-0: Built in self test bits for the RX and TX FIFO's.
452 */
453 #define FIFOS_RX_RECEIVING (u_short) 0x8000
454 #define FIFOS_RX_UNDERRUN (u_short) 0x2000
455 #define FIFOS_RX_STATUS_OVERRUN (u_short) 0x1000
456 #define FIFOS_RX_OVERRUN (u_short) 0x0800
457 #define FIFOS_TX_OVERRUN (u_short) 0x0400
458
459 /*
460 * ISA/eisa CONFIG_CNTRL media-present bits.
461 */
462 #define EP_W0_CC_AUI (1<<13)
463 #define EP_W0_CC_BNC (1<<12)
464 #define EP_W0_CC_UTP (1<<9)
465
466
467 /* EEPROM state flags/commands */
468 #define EEPROM_BUSY (1<<15)
469 #define EEPROM_TST_MODE (1<<14)
470 #define READ_EEPROM (1<<7)
471
472 /* For the RoadRunner chips... */
473 #define WRITE_EEPROM_RR 0x100
474 #define READ_EEPROM_RR 0x200
475 #define ERASE_EEPROM_RR 0x300
476
477 /* window 4, MEDIA_STATUS bits */
478 #define SQE_ENABLE 0x08 /* Enables SQE on AUI ports */
479 #define JABBER_GUARD_ENABLE 0x40
480 #define LINKBEAT_ENABLE 0x80
481 #define ENABLE_UTP (JABBER_GUARD_ENABLE|LINKBEAT_ENABLE)
482 #define DISABLE_UTP 0x0
483 #define LINKBEAT_DETECT 0x800
484 #define MEDIA_LED 0x0001 /* Link LED for 3C589E */
485
486 /*
487 * ep_connectors softc media-preset bitflags
488 */
489 #define EPC_AUI 0x01
490 #define EPC_BNC 0x02
491 #define EPC_RESERVED 0x04
492 #define EPC_UTP 0x08
493 #define EPC_100TX 0x10
494 #define EPC_100FX 0x20
495 #define EPC_MII 0x40
496 #define EPC_100T4 0x80
497
498 /*
499 * Misc defines for various things.
500 */
501 #define TAG_ADAPTER 0xd0
502 #define ACTIVATE_ADAPTER_TO_CONFIG 0xff
503 #define ENABLE_DRQ_IRQ 0x0001
504 #define MFG_ID 0x506d /* `TCM' */
505 #define PROD_ID_3C509 0x5090 /* 509[0-f] */
506 #define GO_WINDOW(x) bus_space_write_2(sc->sc_iot, \
507 sc->sc_ioh, EP_COMMAND, WINDOW_SELECT|x)
508
509 /* Used to probe for large-packet support. */
510 #define EP_LARGEWIN_PROBE EP_THRESH_DISABLE
511 #define EP_LARGEWIN_MASK 0xffc
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