elink3reg.h revision 1.23.4.1 1 /* $NetBSD: elink3reg.h,v 1.23.4.1 2001/11/12 21:18:02 thorpej 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 #define EEPROM_NODE_ADDR_0 0x0 /* Word */
40 #define EEPROM_NODE_ADDR_1 0x1 /* Word */
41 #define EEPROM_NODE_ADDR_2 0x2 /* Word */
42 #define EEPROM_PROD_ID 0x3 /* 0x9[0-f]50 */
43 #define EEPROM_MFG_DATE 0x4 /* Manufacturing date */
44 #define EEPROM_MFG_DIVSION 0x5 /* Manufacturing division */
45 #define EEPROM_MFG_PRODUCT 0x6 /* Product code */
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_OEM_ADDR1 0xb
51 #define EEPROM_OEM_ADDR2 0xc
52 #define EEPROM_SOFTINFO 0xd
53 #define EEPROM_COMPAT 0xe
54 #define EEPROM_SOFTINFO2 0xf
55 #define EEPROM_CAP 0x10
56 #define EEPROM_CONFIG_LOW 0x12
57 #define EEPROM_CONFIG_HIGH 0x13
58 #define EEPROM_SSI 0x14
59 #define EEPROM_CHECKSUM_EL3 0x17
60
61 /*
62 * These are the registers for the 3Com 3c509 and their bit patterns when
63 * applicable. They have been taken out of the "EtherLink III Parallel
64 * Tasking EISA and ISA Technical Reference" "Beta Draft 10/30/92" manual
65 * from 3com.
66 */
67 #define ELINK_COMMAND 0x0e /* Write. BASE+0x0e is always a command reg. */
68 #define ELINK_STATUS 0x0e /* Read. BASE+0x0e is always status reg. */
69 #define ELINK_WINDOW 0x0f /* Read. BASE+0x0f is always window reg. */
70
71 /*
72 * Corkscrew ISA Bridge ASIC registers.
73 */
74 #define CORK_ASIC_DCR 0x2000
75 #define CORK_ASIC_RCR 0x2002
76 #define CORK_ASIC_ROM_PAGE 0x2004 /* 8-bit */
77 #define CORK_ASIC_MCR 0x2006 /* 8-bit */
78 #define CORK_ASIC_DEBUG 0x2008 /* 8-bit */
79 #define CORK_ASIC_EEPROM_COMMAND 0x200a
80 #define CORK_ASIC_EEPROM_DATA 0x200c
81
82 /*
83 * Corkscrew DMA Control Register.
84 */
85 #define DCR_CHRDYWAIT_40ns (0 << 13)
86 #define DCR_CHRDYWAIT_80ns (1 << 13)
87 #define DCR_CHRDYWAIT_120ns (2 << 13)
88 #define DCR_CHRDYWAIT_160ns (3 << 13)
89 #define DCR_RECOVWAIT_80ns (0 << 11)
90 #define DCR_RECOVWAIT_120ns (1 << 11)
91 #define DCR_RECOVWAIT_160ns (2 << 11)
92 #define DCR_RECOVWAIT_200ns (3 << 11)
93 #define DCR_CMDWIDTH(x) ((x) << 8) /* base 40ns, 40ns increments */
94 #define DCR_BURSTLEN(x) ((x) << 3)
95 #define DCR_DRQSELECT(x) ((x) << 0) /* 3, 5, 6, 7 valid */
96
97 /*
98 * Corkscrew Debug register.
99 */
100 #define DEBUG_PCIBUSFAULT (1U << 0)
101 #define DEBUG_ISABUSFAULT (1U << 1)
102
103 /*
104 * Corkscrew EEPROM Command register.
105 */
106 #define CORK_EEPROM_BUSY (1U << 9)
107 #define CORK_EEPROM_CMD_READ (1U << 7) /* Same as 3c509 */
108
109 /*
110 * Corkscrew Master Control register.
111 */
112 #define MCR_PCI_CONFIG (1U << 0)
113 #define MCR_WRITE_BUFFER (1U << 1)
114 #define MCR_READ_PREFETCH (1U << 2)
115
116 /*
117 * Window 0 registers. Setup.
118 */
119 /* Write */
120 #define ELINK_W0_EEPROM_DATA 0x0c
121 #define ELINK_W0_EEPROM_COMMAND 0x0a
122 #define ELINK_W0_RESOURCE_CFG 0x08
123 #define ELINK_W0_ADDRESS_CFG 0x06
124 #define ELINK_W0_CONFIG_CTRL 0x04
125 /* Read */
126 #define ELINK_W0_PRODUCT_ID 0x02
127 #define ELINK_W0_MFG_ID 0x00
128
129 /*
130 * Window 1 registers. Operating Set.
131 */
132 /* Write */
133 #define ELINK_W1_TX_PIO_WR_2 0x02
134 #define ELINK_W1_TX_PIO_WR_1 0x00
135 /* Read */
136 #define ELINK_W1_FREE_TX 0x0c
137 #define ELINK_W1_TX_STATUS 0x0b /* byte */
138 #define ELINK_W1_TIMER 0x0a /* byte */
139 #define ELINK_W1_RX_STATUS 0x08
140 #define ELINK_W1_RX_ERRORS 0x04
141 #define ELINK_W1_RX_PIO_RD_2 0x02
142 #define ELINK_W1_RX_PIO_RD_1 0x00
143 /*
144 * Special registers used by the RoadRunner. These are used to program
145 * a FIFO buffer to reduce the PCMCIA->PCI bridge latency during PIO.
146 */
147 #define ELINK_W1_RUNNER_RDCTL 0x16
148 #define ELINK_W1_RUNNER_WRCTL 0x1c
149
150 /*
151 * Window 2 registers. Station Address Setup/Read
152 */
153 /* Read/Write */
154 #define ELINK_W2_RECVMASK_0 0x06
155 #define ELINK_W2_ADDR_5 0x05
156 #define ELINK_W2_ADDR_4 0x04
157 #define ELINK_W2_ADDR_3 0x03
158 #define ELINK_W2_ADDR_2 0x02
159 #define ELINK_W2_ADDR_1 0x01
160 #define ELINK_W2_ADDR_0 0x00
161
162 /*
163 * Window 3 registers. Configuration and FIFO Management.
164 */
165 /* Read */
166 #define ELINK_W3_FREE_TX 0x0c
167 #define ELINK_W3_FREE_RX 0x0a
168 /* Read/Write, at least on busmastering cards. */
169 #define ELINK_W3_INTERNAL_CONFIG 0x00 /* 32 bits */
170 #define ELINK_W3_OTHER_INT 0x04 /* 8 bits */
171 #define ELINK_W3_PIO_RESERVED 0x05 /* 8 bits */
172 #define ELINK_W3_MAC_CONTROL 0x06 /* 16 bits */
173 #define ELINK_W3_RESET_OPTIONS 0x08 /* 16 bits */
174
175 /*
176 * Window 4 registers. Diagnostics.
177 */
178 /* Read/Write */
179 #define ELINK_W4_MEDIA_TYPE 0x0a
180 #define ELINK_W4_CTRLR_STATUS 0x08
181 #define ELINK_W4_NET_DIAG 0x06
182 #define ELINK_W4_FIFO_DIAG 0x04
183 #define ELINK_W4_HOST_DIAG 0x02
184 #define ELINK_W4_TX_DIAG 0x00
185
186 /*
187 * Window 4 offset 8 is the PHY Management register on the
188 * 3c90x.
189 */
190 #define ELINK_W4_BOOM_PHYSMGMT 0x08
191 #define PHYSMGMT_CLK 0x0001
192 #define PHYSMGMT_DATA 0x0002
193 #define PHYSMGMT_DIR 0x0004
194
195
196 /*
197 * Window 5 Registers. Results and Internal status.
198 */
199 /* Read */
200 #define ELINK_W5_READ_0_MASK 0x0c
201 #define ELINK_W5_INTR_MASK 0x0a
202 #define ELINK_W5_RX_FILTER 0x08
203 #define ELINK_W5_RX_EARLY_THRESH 0x06
204 #define ELINK_W5_TX_AVAIL_THRESH 0x02
205 #define ELINK_W5_TX_START_THRESH 0x00
206
207 /*
208 * Window 6 registers. Statistics.
209 */
210 /* Read/Write */
211 #define TX_TOTAL_OK 0x0c
212 #define RX_TOTAL_OK 0x0a
213 #define UPPER_FRAMES_OK 0x09
214 #define TX_DEFERRALS 0x08
215 #define RX_FRAMES_OK 0x07
216 #define TX_FRAMES_OK 0x06
217 #define RX_OVERRUNS 0x05
218 #define TX_COLLISIONS 0x04
219 #define TX_AFTER_1_COLLISION 0x03
220 #define TX_AFTER_X_COLLISIONS 0x02
221 #define TX_NO_SQE 0x01
222 #define TX_CD_LOST 0x00
223
224 /*
225 * Window 7 registers.
226 * Address and length for a single bus-master DMA transfer.
227 * Unused for elink3 cards.
228 */
229 #define ELINK_W7_MASTER_ADDDRES 0x00
230 #define ELINK_W7_RX_ERROR 0x04
231 #define ELINK_W7_MASTER_LEN 0x06
232 #define ELINK_W7_RX_STATUS 0x08
233 #define ELINK_W7_MASTER_STATUS 0x0c
234
235 /*
236 * Register definitions.
237 */
238
239 /*
240 * Command register. All windows.
241 *
242 * 16 bit register.
243 * 15-11: 5-bit code for command to be executed.
244 * 10-0: 11-bit arg if any. For commands with no args;
245 * this can be set to anything.
246 */
247 #define GLOBAL_RESET (u_int16_t) 0x0000 /* Wait at least 1ms after issuing */
248 #define WINDOW_SELECT (u_int16_t) (0x1<<11)
249 #define START_TRANSCEIVER (u_int16_t) (0x2<<11) /* Read ADDR_CFG reg to determine
250 whether this is needed. If so;
251 wait 800 uSec before using trans-
252 ceiver. */
253 #define RX_DISABLE (u_int16_t) (0x3<<11) /* state disabled on power-up */
254 #define RX_ENABLE (u_int16_t) (0x4<<11)
255 #define RX_RESET (u_int16_t) (0x5<<11)
256 #define RX_DISCARD_TOP_PACK (u_int16_t) (0x8<<11)
257 #define TX_ENABLE (u_int16_t) (0x9<<11)
258 #define TX_DISABLE (u_int16_t) (0xa<<11)
259 #define TX_RESET (u_int16_t) (0xb<<11)
260 #define REQ_INTR (u_int16_t) (0xc<<11)
261
262 /*
263 * The following C_* acknowledge the various interrupts.
264 * Some of them don't do anything. See the manual.
265 */
266 #define ACK_INTR (u_int16_t) (0xd << 11)
267 # define C_INTR_LATCH (u_int16_t) (ACK_INTR|0x01)
268 # define C_CARD_FAILURE (u_int16_t) (ACK_INTR|0x02)
269 # define C_TX_COMPLETE (u_int16_t) (ACK_INTR|0x04)
270 # define C_TX_AVAIL (u_int16_t) (ACK_INTR|0x08)
271 # define C_RX_COMPLETE (u_int16_t) (ACK_INTR|0x10)
272 # define C_RX_EARLY (u_int16_t) (ACK_INTR|0x20)
273 # define C_INT_RQD (u_int16_t) (ACK_INTR|0x40)
274 # define C_UPD_STATS (u_int16_t) (ACK_INTR|0x80)
275
276 #define SET_INTR_MASK (u_int16_t) (0x0e<<11)
277
278 /* busmastering-cards only? */
279 #define STATUS_ENABLE (u_int16_t) (0xf<<11)
280
281 #define SET_RD_0_MASK (u_int16_t) (0x0f<<11)
282
283 #define SET_RX_FILTER (u_int16_t) (0x10<<11)
284 # define FIL_INDIVIDUAL (u_int16_t) (0x01)
285 # define FIL_MULTICAST (u_int16_t) (0x02)
286 # define FIL_BRDCST (u_int16_t) (0x04)
287 # define FIL_PROMISC (u_int16_t) (0x08)
288
289 #define SET_RX_EARLY_THRESH (u_int16_t) (0x11<<11)
290 #define SET_TX_AVAIL_THRESH (u_int16_t) (0x12<<11)
291 #define SET_TX_START_THRESH (u_int16_t) (0x13<<11)
292 #define START_DMA (u_int16_t) (0x14<<11) /* busmaster-only */
293 # define START_DMA_TX (START_DMA | 0x0)) /* busmaster-only */
294 # define START_DMA_RX (START_DMA | 0x1) /* busmaster-only */
295 #define STATS_ENABLE (u_int16_t) (0x15<<11)
296 #define STATS_DISABLE (u_int16_t) (0x16<<11)
297 #define STOP_TRANSCEIVER (u_int16_t) (0x17<<11)
298
299 /* Only on adapters that support power management: */
300 #define POWERUP (u_int16_t) (0x1b<<11)
301 #define POWERDOWN (u_int16_t) (0x1c<<11)
302 #define POWERAUTO (u_int16_t) (0x1d<<11)
303
304
305
306 /*
307 * Command parameter that disables threshold interrupts
308 * PIO (3c509) cards use 2044. The fifo word-oriented and 2044--2047 work.
309 * "busmastering" cards need 8188.
310 * The implicit two-bit upshift done by busmastering cards means
311 * a value of 2047 disables threshold interrupts on both.
312 */
313 #define ELINK_THRESH_DISABLE 2047
314
315
316 /*
317 * Status register. All windows.
318 *
319 * 15-13: Window number(0-7).
320 * 12: Command_in_progress.
321 * 11: reserved / DMA in progress on busmaster cards.
322 * 10: reserved.
323 * 9: reserved.
324 * 8: reserved / DMA done on busmaster cards.
325 * 7: Update Statistics.
326 * 6: Interrupt Requested.
327 * 5: RX Early.
328 * 4: RX Complete.
329 * 3: TX Available.
330 * 2: TX Complete.
331 * 1: Adapter Failure.
332 * 0: Interrupt Latch.
333 */
334 #define S_INTR_LATCH (u_int16_t) (0x0001)
335 #define S_CARD_FAILURE (u_int16_t) (0x0002)
336 #define S_TX_COMPLETE (u_int16_t) (0x0004)
337 #define S_TX_AVAIL (u_int16_t) (0x0008)
338 #define S_RX_COMPLETE (u_int16_t) (0x0010)
339 #define S_RX_EARLY (u_int16_t) (0x0020)
340 #define S_INT_RQD (u_int16_t) (0x0040)
341 #define S_UPD_STATS (u_int16_t) (0x0080)
342 #define S_DMA_DONE (u_int16_t) (0x0100) /* DMA cards only */
343 #define S_DMA_IN_PROGRESS (u_int16_t) (0x0800) /* DMA cards only */
344 #define S_COMMAND_IN_PROGRESS (u_int16_t) (0x1000)
345
346 /*
347 * FIFO Registers. RX Status.
348 *
349 * 15: Incomplete or FIFO empty.
350 * 14: 1: Error in RX Packet 0: Incomplete or no error.
351 * 14-11: Type of error. [14-11]
352 * 1000 = Overrun.
353 * 1011 = Run Packet Error.
354 * 1100 = Alignment Error.
355 * 1101 = CRC Error.
356 * 1001 = Oversize Packet Error (>1514 bytes)
357 * 0010 = Dribble Bits.
358 * (all other error codes, no errors.)
359 *
360 * 10-0: RX Bytes (0-1514)
361 */
362 #define ERR_INCOMPLETE (u_int16_t) (0x8000)
363 #define ERR_RX (u_int16_t) (0x4000)
364 #define ERR_MASK (u_int16_t) (0x7800)
365 #define ERR_OVERRUN (u_int16_t) (0x4000)
366 #define ERR_RUNT (u_int16_t) (0x5800)
367 #define ERR_ALIGNMENT (u_int16_t) (0x6000)
368 #define ERR_CRC (u_int16_t) (0x6800)
369 #define ERR_OVERSIZE (u_int16_t) (0x4800)
370 #define ERR_DRIBBLE (u_int16_t) (0x1000)
371
372 /*
373 * TX Status
374 *
375 * Reports the transmit status of a completed transmission. Writing this
376 * register pops the transmit completion stack.
377 *
378 * Window 1/Port 0x0b.
379 *
380 * 7: Complete
381 * 6: Interrupt on successful transmission requested.
382 * 5: Jabber Error (TP Only, TX Reset required. )
383 * 4: Underrun (TX Reset required. )
384 * 3: Maximum Collisions.
385 * 2: TX Status Overflow.
386 * 1-0: Undefined.
387 *
388 */
389 #define TXS_COMPLETE 0x80
390 #define TXS_INTR_REQ 0x40
391 #define TXS_JABBER 0x20
392 #define TXS_UNDERRUN 0x10
393 #define TXS_MAX_COLLISION 0x08
394 #define TXS_STATUS_OVERFLOW 0x04
395
396 /*
397 * RX status
398 * Window 1/Port 0x08.
399 */
400 #define RX_BYTES_MASK (u_int16_t) (0x07ff)
401
402 /*
403 * Internal Config and MAC control (Window 3)
404 * Window 3 / Port 0: 32-bit internal config register:
405 * bits 0-2: fifo buffer ram size
406 * 3: ram width (word/byte) (ro)
407 * 4-5: ram speed
408 * 6-7: rom size
409 * 8-15: reserved
410 *
411 * 16-17: ram split (5:3, 3:1, or 1:1).
412 * 18-19: reserved
413 * 20-22: selected media type
414 * 21: unused
415 * 24: (nonvolatile) driver should autoselect media
416 * 25-31: reseerved
417 *
418 * The low-order 16 bits should generally not be changed by software.
419 * Offsets defined for two 16-bit words, to help out 16-bit busses.
420 */
421 #define CONFIG_RAMSIZE (u_int16_t) 0x0007
422 #define CONFIG_RAMSIZE_SHIFT 0
423
424 #define CONFIG_RAMWIDTH (u_int16_t) 0x0008
425 #define CONFIG_RAMWIDTH_SHIFT 3
426
427 #define CONFIG_RAMSPEED (u_int16_t) 0x0030
428 #define CONFIG_RAMSPEED_SHIFT 4
429 #define CONFIG_ROMSIZE (u_int16_t) 0x00c0
430 #define CONFIG_ROMSIZE_SHIFT 6
431
432 /* Window 3/port 2 */
433 #define CONFIG_RAMSPLIT (u_int16_t) 0x0003
434 #define CONFIG_RAMSPLIT_SHIFT 0
435 #define CONFIG_MEDIAMASK (u_int16_t) 0x0070
436 #define CONFIG_MEDIAMASK_SHIFT 4
437
438 #define CONFIG_AUTOSELECT (u_int16_t) 0x0100
439 #define CONFIG_AUTOSELECT_SHIFT 8
440
441 /*
442 * MAC_CONTROL (Window 3)
443 */
444 #define MAC_CONTROL_FDX 0x20 /* full-duplex mode */
445
446
447 /* Active media in INTERNAL_CONFIG media bits */
448
449 #define ELINKMEDIA_10BASE_T (u_int16_t) 0x00
450 #define ELINKMEDIA_AUI (u_int16_t) 0x01
451 #define ELINKMEDIA_RESV1 (u_int16_t) 0x02
452 #define ELINKMEDIA_10BASE_2 (u_int16_t) 0x03
453 #define ELINKMEDIA_100BASE_TX (u_int16_t) 0x04
454 #define ELINKMEDIA_100BASE_FX (u_int16_t) 0x05
455 #define ELINKMEDIA_MII (u_int16_t) 0x06
456 #define ELINKMEDIA_100BASE_T4 (u_int16_t) 0x07
457
458
459 /*
460 * RESET_OPTIONS (Window 3, on Demon/Vortex/Bomerang only)
461 * also mapped to PCI configuration space on PCI adaptors.
462 *
463 * (same register as Vortex ELINK_W3_RESET_OPTIONS, mapped to pci-config space)
464 */
465 #define ELINK_PCI_100BASE_T4 (1<<0)
466 #define ELINK_PCI_100BASE_TX (1<<1)
467 #define ELINK_PCI_100BASE_FX (1<<2)
468 #define ELINK_PCI_10BASE_T (1<<3)
469 #define ELINK_PCI_BNC (1<<4)
470 #define ELINK_PCI_AUI (1<<5)
471 #define ELINK_PCI_100BASE_MII (1<<6)
472 #define ELINK_PCI_INTERNAL_VCO (1<<8)
473
474 #define ELINK_PCI_MEDIAMASK (ELINK_PCI_100BASE_T4|ELINK_PCI_100BASE_TX| \
475 ELINK_PCI_100BASE_FX|ELINK_PCI_10BASE_T| \
476 ELINK_PCI_BNC|ELINK_PCI_AUI| \
477 ELINK_PCI_100BASE_MII)
478
479 #define ELINK_RUNNER_MII_RESET 0x4000
480 #define ELINK_RUNNER_ENABLE_MII 0x8000
481
482 /*
483 * FIFO Status (Window 4)
484 *
485 * Supports FIFO diagnostics
486 *
487 * Window 4/Port 0x04.1
488 *
489 * 15: 1=RX receiving (RO). Set when a packet is being received
490 * into the RX FIFO.
491 * 14: Reserved
492 * 13: 1=RX underrun (RO). Generates Adapter Failure interrupt.
493 * Requires RX Reset or Global Reset command to recover.
494 * It is generated when you read past the end of a packet -
495 * reading past what has been received so far will give bad
496 * data.
497 * 12: 1=RX status overrun (RO). Set when there are already 8
498 * packets in the RX FIFO. While this bit is set, no additional
499 * packets are received. Requires no action on the part of
500 * the host. The condition is cleared once a packet has been
501 * read out of the RX FIFO.
502 * 11: 1=RX overrun (RO). Set when the RX FIFO is full (there
503 * may not be an overrun packet yet). While this bit is set,
504 * no additional packets will be received (some additional
505 * bytes can still be pending between the wire and the RX
506 * FIFO). Requires no action on the part of the host. The
507 * condition is cleared once a few bytes have been read out
508 * from the RX FIFO.
509 * 10: 1=TX overrun (RO). Generates adapter failure interrupt.
510 * Requires TX Reset or Global Reset command to recover.
511 * Disables Transmitter.
512 * 9-8: Unassigned.
513 * 7-0: Built in self test bits for the RX and TX FIFO's.
514 */
515 #define FIFOS_RX_RECEIVING (u_int16_t) 0x8000
516 #define FIFOS_RX_UNDERRUN (u_int16_t) 0x2000
517 #define FIFOS_RX_STATUS_OVERRUN (u_int16_t) 0x1000
518 #define FIFOS_RX_OVERRUN (u_int16_t) 0x0800
519 #define FIFOS_TX_OVERRUN (u_int16_t) 0x0400
520
521 /*
522 * ISA/eisa CONFIG_CNTRL media-present bits.
523 */
524 #define ELINK_W0_CC_AUI (1<<13)
525 #define ELINK_W0_CC_BNC (1<<12)
526 #define ELINK_W0_CC_UTP (1<<9)
527 #define ELINK_W0_CC_MEDIAMASK (ELINK_W0_CC_AUI|ELINK_W0_CC_BNC| \
528 ELINK_W0_CC_UTP)
529
530 /* EEPROM state flags/commands */
531 #define EEPROM_BUSY (1<<15)
532 #define EEPROM_TST_MODE (1<<14)
533
534 #define READ_EEPROM (1<<7)
535
536 /* For the RoadRunner chips... */
537 #define WRITE_EEPROM_RR 0x100
538 #define READ_EEPROM_RR 0x200
539 #define ERASE_EEPROM_RR 0x300
540
541 /* window 4, MEDIA_STATUS bits */
542 #define SQE_ENABLE 0x08 /* Enables SQE on AUI ports */
543 #define JABBER_GUARD_ENABLE 0x40
544 #define LINKBEAT_ENABLE 0x80
545 #define DISABLE_UTP 0x0
546 #define LINKBEAT_DETECT 0x800
547
548 /*
549 * Misc defines for various things.
550 */
551 #define TAG_ADAPTER 0xd0
552 #define ACTIVATE_ADAPTER_TO_CONFIG 0xff
553 #define ENABLE_DRQ_IRQ 0x0001
554 #define MFG_ID 0x506d /* `TCM' */
555 #define PROD_ID_3C509 0x5090 /* 509[0-f] */
556 #define GO_WINDOW(x) bus_space_write_2(sc->sc_iot, \
557 sc->sc_ioh, ELINK_COMMAND, WINDOW_SELECT|x)
558
559
560 /* Used to probe for large-packet support. */
561 #define ELINK_LARGEWIN_PROBE ELINK_THRESH_DISABLE
562 #define ELINK_LARGEWIN_MASK 0xffc
563