if_edreg.h revision 80159
1/*
2 * Copyright (C) 1993, David Greenman. This software may be used, modified,
3 *   copied, distributed, and sold, in both source and binary form provided
4 *   that the above copyright and these terms are retained. Under no
5 *   circumstances is the author responsible for the proper functioning
6 *   of this software, nor does the author assume any responsibility
7 *   for damages incurred with its use.
8 *
9 * $FreeBSD: head/sys/dev/ed/if_edreg.h 80159 2001-07-22 18:58:44Z iedowse $
10 */
11/*
12 * National Semiconductor DS8390 NIC register definitions
13 *
14 *
15 * Modification history
16 *
17 * Revision 2.2  1993/11/29  16:33:39  davidg
18 * From Thomas Sandford <t.d.g.sandford@comp.brad.ac.uk>
19 * Add support for the 8013W board type
20 *
21 * Revision 2.1  1993/11/22  10:52:33  davidg
22 * patch to add support for SMC8216 (Elite-Ultra) boards
23 * from Glen H. Lowe
24 *
25 * Revision 2.0  93/09/29  00:37:15  davidg
26 * changed double buffering flag to multi buffering
27 * made changes/additions for 3c503 multi-buffering
28 * ...companion to Rev. 2.0 of 'ed' driver.
29 *
30 * Revision 1.1  93/06/23  03:01:07  davidg
31 * Initial revision
32 *
33 */
34
35/*
36 * Page 0 register offsets
37 */
38#define ED_P0_CR	0x00	/* Command Register */
39
40#define ED_P0_CLDA0	0x01	/* Current Local DMA Addr low (read) */
41#define ED_P0_PSTART	0x01	/* Page Start register (write) */
42
43#define ED_P0_CLDA1	0x02	/* Current Local DMA Addr high (read) */
44#define ED_P0_PSTOP	0x02	/* Page Stop register (write) */
45
46#define ED_P0_BNRY	0x03	/* Boundary Pointer */
47
48#define ED_P0_TSR	0x04	/* Transmit Status Register (read) */
49#define ED_P0_TPSR	0x04	/* Transmit Page Start (write) */
50
51#define ED_P0_NCR	0x05	/* Number of Collisions Reg (read) */
52#define ED_P0_TBCR0	0x05	/* Transmit Byte count, low (write) */
53
54#define ED_P0_FIFO	0x06	/* FIFO register (read) */
55#define ED_P0_TBCR1	0x06	/* Transmit Byte count, high (write) */
56
57#define ED_P0_ISR	0x07	/* Interrupt Status Register */
58
59#define ED_P0_CRDA0	0x08	/* Current Remote DMA Addr low (read) */
60#define ED_P0_RSAR0	0x08	/* Remote Start Address low (write) */
61
62#define ED_P0_CRDA1	0x09	/* Current Remote DMA Addr high (read) */
63#define ED_P0_RSAR1	0x09	/* Remote Start Address high (write) */
64
65#define ED_P0_RBCR0	0x0a	/* Remote Byte Count low (write) */
66
67#define ED_P0_RBCR1	0x0b	/* Remote Byte Count high (write) */
68
69#define ED_P0_RSR	0x0c	/* Receive Status (read) */
70#define ED_P0_RCR	0x0c	/* Receive Configuration Reg (write) */
71
72#define ED_P0_CNTR0	0x0d	/* frame alignment error counter (read) */
73#define ED_P0_TCR	0x0d	/* Transmit Configuration Reg (write) */
74
75#define ED_P0_CNTR1	0x0e	/* CRC error counter (read) */
76#define ED_P0_DCR	0x0e	/* Data Configuration Reg (write) */
77
78#define ED_P0_CNTR2	0x0f	/* missed packet counter (read) */
79#define ED_P0_IMR	0x0f	/* Interrupt Mask Register (write) */
80
81/*
82 * Page 1 register offsets
83 */
84#define ED_P1_CR	0x00	/* Command Register */
85#define ED_P1_PAR0	0x01	/* Physical Address Register 0 */
86#define ED_P1_PAR1	0x02	/* Physical Address Register 1 */
87#define ED_P1_PAR2	0x03	/* Physical Address Register 2 */
88#define ED_P1_PAR3	0x04	/* Physical Address Register 3 */
89#define ED_P1_PAR4	0x05	/* Physical Address Register 4 */
90#define ED_P1_PAR5	0x06	/* Physical Address Register 5 */
91#define ED_P1_PAR(i)	(ED_P1_PAR0 + i)
92#define ED_P1_CURR	0x07	/* Current RX ring-buffer page */
93#define ED_P1_MAR0	0x08	/* Multicast Address Register 0 */
94#define ED_P1_MAR1	0x09	/* Multicast Address Register 1 */
95#define ED_P1_MAR2	0x0a	/* Multicast Address Register 2 */
96#define ED_P1_MAR3	0x0b	/* Multicast Address Register 3 */
97#define ED_P1_MAR4	0x0c	/* Multicast Address Register 4 */
98#define ED_P1_MAR5	0x0d	/* Multicast Address Register 5 */
99#define ED_P1_MAR6	0x0e	/* Multicast Address Register 6 */
100#define ED_P1_MAR7	0x0f	/* Multicast Address Register 7 */
101#define ED_P1_MAR(i)	(ED_P1_MAR0 + i)
102
103/*
104 * Page 2 register offsets
105 */
106#define ED_P2_CR	0x00	/* Command Register */
107#define ED_P2_PSTART	0x01	/* Page Start (read) */
108#define ED_P2_CLDA0	0x01	/* Current Local DMA Addr 0 (write) */
109#define ED_P2_PSTOP	0x02	/* Page Stop (read) */
110#define ED_P2_CLDA1	0x02	/* Current Local DMA Addr 1 (write) */
111#define ED_P2_RNPP	0x03	/* Remote Next Packet Pointer */
112#define ED_P2_TPSR	0x04	/* Transmit Page Start (read) */
113#define ED_P2_LNPP	0x05	/* Local Next Packet Pointer */
114#define ED_P2_ACU	0x06	/* Address Counter Upper */
115#define ED_P2_ACL	0x07	/* Address Counter Lower */
116#define ED_P2_RCR	0x0c	/* Receive Configuration Register (read) */
117#define ED_P2_TCR	0x0d	/* Transmit Configuration Register (read) */
118#define ED_P2_DCR	0x0e	/* Data Configuration Register (read) */
119#define ED_P2_IMR	0x0f	/* Interrupt Mask Register (read) */
120
121/*
122 *		Command Register (CR) definitions
123 */
124
125/*
126 * STP: SToP. Software reset command. Takes the controller offline. No
127 *	packets will be received or transmitted. Any reception or
128 *	transmission in progress will continue to completion before
129 *	entering reset state. To exit this state, the STP bit must
130 *	reset and the STA bit must be set. The software reset has
131 *	executed only when indicated by the RST bit in the ISR being
132 *	set.
133 */
134#define ED_CR_STP	0x01
135
136/*
137 * STA: STArt. This bit is used to activate the NIC after either power-up,
138 *	or when the NIC has been put in reset mode by software command
139 *	or error.
140 */
141#define ED_CR_STA	0x02
142
143/*
144 * TXP: Transmit Packet. This bit must be set to indicate transmission of
145 *	a packet. TXP is internally reset either after the transmission is
146 *	completed or aborted. This bit should be set only after the Transmit
147 *	Byte Count and Transmit Page Start register have been programmed.
148 */
149#define ED_CR_TXP	0x04
150
151/*
152 * RD0, RD1, RD2: Remote DMA Command. These three bits control the operation
153 *	of the remote DMA channel. RD2 can be set to abort any remote DMA
154 *	command in progress. The Remote Byte Count registers should be cleared
155 *	when a remote DMA has been aborted. The Remote Start Addresses are not
156 *	restored to the starting address if the remote DMA is aborted.
157 *
158 *	RD2 RD1 RD0	function
159 *	 0   0   0	not allowed
160 *	 0   0   1	remote read
161 *	 0   1   0	remote write
162 *	 0   1   1	send packet
163 *	 1   X   X	abort
164 */
165#define ED_CR_RD0	0x08
166#define ED_CR_RD1	0x10
167#define ED_CR_RD2	0x20
168
169/*
170 * PS0, PS1: Page Select. The two bits select which register set or 'page' to
171 *	access.
172 *
173 *	PS1 PS0		page
174 *	 0   0		0
175 *	 0   1		1
176 *	 1   0		2
177 *	 1   1		reserved
178 */
179#define ED_CR_PS0	0x40
180#define ED_CR_PS1	0x80
181/* bit encoded aliases */
182#define ED_CR_PAGE_0	0x00 /* (for consistency) */
183#define ED_CR_PAGE_1	0x40
184#define ED_CR_PAGE_2	0x80
185
186/*
187 *		Interrupt Status Register (ISR) definitions
188 */
189
190/*
191 * PRX: Packet Received. Indicates packet received with no errors.
192 */
193#define ED_ISR_PRX	0x01
194
195/*
196 * PTX: Packet Transmitted. Indicates packet transmitted with no errors.
197 */
198#define ED_ISR_PTX	0x02
199
200/*
201 * RXE: Receive Error. Indicates that a packet was received with one or more
202 *	the following errors: CRC error, frame alignment error, FIFO overrun,
203 *	missed packet.
204 */
205#define ED_ISR_RXE	0x04
206
207/*
208 * TXE: Transmission Error. Indicates that an attempt to transmit a packet
209 *	resulted in one or more of the following errors: excessive
210 *	collisions, FIFO underrun.
211 */
212#define ED_ISR_TXE	0x08
213
214/*
215 * OVW: OverWrite. Indicates a receive ring-buffer overrun. Incoming network
216 *	would exceed (has exceeded?) the boundary pointer, resulting in data
217 *	that was previously received and not yet read from the buffer to be
218 *	overwritten.
219 */
220#define ED_ISR_OVW	0x10
221
222/*
223 * CNT: Counter Overflow. Set when the MSB of one or more of the Network Talley
224 *	Counters has been set.
225 */
226#define ED_ISR_CNT	0x20
227
228/*
229 * RDC: Remote Data Complete. Indicates that a Remote DMA operation has completed.
230 */
231#define ED_ISR_RDC	0x40
232
233/*
234 * RST: Reset status. Set when the NIC enters the reset state and cleared when a
235 *	Start Command is issued to the CR. This bit is also set when a receive
236 *	ring-buffer overrun (OverWrite) occurs and is cleared when one or more
237 *	packets have been removed from the ring. This is a read-only bit.
238 */
239#define ED_ISR_RST	0x80
240
241/*
242 *		Interrupt Mask Register (IMR) definitions
243 */
244
245/*
246 * PRXE: Packet Received interrupt Enable. If set, a received packet will cause
247 *	an interrupt.
248 */
249#define ED_IMR_PRXE	0x01
250
251/*
252 * PTXE: Packet Transmit interrupt Enable. If set, an interrupt is generated when
253 *	a packet transmission completes.
254 */
255#define ED_IMR_PTXE	0x02
256
257/*
258 * RXEE: Receive Error interrupt Enable. If set, an interrupt will occur whenever a
259 *	packet is received with an error.
260 */
261#define ED_IMR_RXEE 	0x04
262
263/*
264 * TXEE: Transmit Error interrupt Enable. If set, an interrupt will occur whenever
265 *	a transmission results in an error.
266 */
267#define ED_IMR_TXEE	0x08
268
269/*
270 * OVWE: OverWrite error interrupt Enable. If set, an interrupt is generated whenever
271 *	the receive ring-buffer is overrun. i.e. when the boundary pointer is exceeded.
272 */
273#define ED_IMR_OVWE	0x10
274
275/*
276 * CNTE: Counter overflow interrupt Enable. If set, an interrupt is generated whenever
277 *	the MSB of one or more of the Network Statistics counters has been set.
278 */
279#define ED_IMR_CNTE	0x20
280
281/*
282 * RDCE: Remote DMA Complete interrupt Enable. If set, an interrupt is generated
283 *	when a remote DMA transfer has completed.
284 */
285#define ED_IMR_RDCE	0x40
286
287/*
288 * bit 7 is unused/reserved
289 */
290
291/*
292 *		Data Configuration Register (DCR) definitions
293 */
294
295/*
296 * WTS: Word Transfer Select. WTS establishes byte or word transfers for
297 *	both remote and local DMA transfers
298 */
299#define ED_DCR_WTS	0x01
300
301/*
302 * BOS: Byte Order Select. BOS sets the byte order for the host.
303 *	Should be 0 for 80x86, and 1 for 68000 series processors
304 */
305#define ED_DCR_BOS	0x02
306
307/*
308 * LAS: Long Address Select. When LAS is 1, the contents of the remote
309 *	DMA registers RSAR0 and RSAR1 are used to provide A16-A31
310 */
311#define ED_DCR_LAS	0x04
312
313/*
314 * LS: Loopback Select. When 0, loopback mode is selected. Bits D1 and D2
315 *	of the TCR must also be programmed for loopback operation.
316 *	When 1, normal operation is selected.
317 */
318#define ED_DCR_LS	0x08
319
320/*
321 * AR: Auto-initialize Remote. When 0, data must be removed from ring-buffer
322 *	under program control. When 1, remote DMA is automatically initiated
323 *	and the boundary pointer is automatically updated
324 */
325#define ED_DCR_AR	0x10
326
327/*
328 * FT0, FT1: Fifo Threshold select.
329 *		FT1	FT0	Word-width	Byte-width
330 *		 0	 0	1 word		2 bytes
331 *		 0	 1	2 words		4 bytes
332 *		 1	 0	4 words		8 bytes
333 *		 1	 1	8 words		12 bytes
334 *
335 *	During transmission, the FIFO threshold indicates the number of bytes
336 *	or words that the FIFO has filled from the local DMA before BREQ is
337 *	asserted. The transmission threshold is 16 bytes minus the receiver
338 *	threshold.
339 */
340#define ED_DCR_FT0	0x20
341#define ED_DCR_FT1	0x40
342
343/*
344 * bit 7 (0x80) is unused/reserved
345 */
346
347/*
348 *		Transmit Configuration Register (TCR) definitions
349 */
350
351/*
352 * CRC: Inhibit CRC. If 0, CRC will be appended by the transmitter, if 0, CRC
353 *	is not appended by the transmitter.
354 */
355#define ED_TCR_CRC	0x01
356
357/*
358 * LB0, LB1: Loopback control. These two bits set the type of loopback that is
359 *	to be performed.
360 *
361 *	LB1 LB0		mode
362 *	 0   0		0 - normal operation (DCR_LS = 0)
363 *	 0   1		1 - internal loopback (DCR_LS = 0)
364 *	 1   0		2 - external loopback (DCR_LS = 1)
365 *	 1   1		3 - external loopback (DCR_LS = 0)
366 */
367#define ED_TCR_LB0	0x02
368#define ED_TCR_LB1	0x04
369
370/*
371 * ATD: Auto Transmit Disable. Clear for normal operation. When set, allows
372 *	another station to disable the NIC's transmitter by transmitting to
373 *	a multicast address hashing to bit 62. Reception of a multicast address
374 *	hashing to bit 63 enables the transmitter.
375 */
376#define ED_TCR_ATD	0x08
377
378/*
379 * OFST: Collision Offset enable. This bit when set modifies the backoff
380 *	algorithm to allow prioritization of nodes.
381 */
382#define ED_TCR_OFST	0x10
383
384/*
385 * bits 5, 6, and 7 are unused/reserved
386 */
387
388/*
389 *		Transmit Status Register (TSR) definitions
390 */
391
392/*
393 * PTX: Packet Transmitted. Indicates successful transmission of packet.
394 */
395#define ED_TSR_PTX	0x01
396
397/*
398 * bit 1 (0x02) is unused/reserved
399 */
400
401/*
402 * COL: Transmit Collided. Indicates that the transmission collided at least
403 *	once with another station on the network.
404 */
405#define ED_TSR_COL	0x04
406
407/*
408 * ABT: Transmit aborted. Indicates that the transmission was aborted due to
409 *	excessive collisions.
410 */
411#define ED_TSR_ABT	0x08
412
413/*
414 * CRS: Carrier Sense Lost. Indicates that carrier was lost during the
415 *	transmission of the packet. (Transmission is not aborted because
416 *	of a loss of carrier)
417 */
418#define ED_TSR_CRS	0x10
419
420/*
421 * FU: FIFO Underrun. Indicates that the NIC wasn't able to access bus/
422 *	transmission memory before the FIFO emptied. Transmission of the
423 *	packet was aborted.
424 */
425#define ED_TSR_FU	0x20
426
427/*
428 * CDH: CD Heartbeat. Indicates that the collision detection circuitry
429 *	isn't working correctly during a collision heartbeat test.
430 */
431#define ED_TSR_CDH	0x40
432
433/*
434 * OWC: Out of Window Collision: Indicates that a collision occurred after
435 *	a slot time (51.2us). The transmission is rescheduled just as in
436 *	normal collisions.
437 */
438#define ED_TSR_OWC	0x80
439
440/*
441 *		Receiver Configuration Register (RCR) definitions
442 */
443
444/*
445 * SEP: Save Errored Packets. If 0, error packets are discarded. If set to 1,
446 *	packets with CRC and frame errors are not discarded.
447 */
448#define ED_RCR_SEP	0x01
449
450/*
451 * AR: Accept Runt packet. If 0, packet with less than 64 byte are discarded.
452 *	If set to 1, packets with less than 64 byte are not discarded.
453 */
454#define ED_RCR_AR	0x02
455
456/*
457 * AB: Accept Broadcast. If set, packets sent to the broadcast address will be
458 *	accepted.
459 */
460#define ED_RCR_AB	0x04
461
462/*
463 * AM: Accept Multicast. If set, packets sent to a multicast address are checked
464 *	for a match in the hashing array. If clear, multicast packets are ignored.
465 */
466#define ED_RCR_AM	0x08
467
468/*
469 * PRO: Promiscuous Physical. If set, all packets with a physical addresses are
470 *	accepted. If clear, a physical destination address must match this
471 *	station's address. Note: for full promiscuous mode, RCR_AB and RCR_AM
472 *	must also be set. In addition, the multicast hashing array must be set
473 *	to all 1's so that all multicast addresses are accepted.
474 */
475#define ED_RCR_PRO	0x10
476
477/*
478 * MON: Monitor Mode. If set, packets will be checked for good CRC and framing,
479 *	but are not stored in the ring-buffer. If clear, packets are stored (normal
480 *	operation).
481 */
482#define ED_RCR_MON	0x20
483
484/*
485 * INTT: Interrupt Trigger Mode for AX88190.
486 */
487#define ED_RCR_INTT	0x40
488
489/*
490 * bit 7 is unused/reserved.
491 */
492
493/*
494 *		Receiver Status Register (RSR) definitions
495 */
496
497/*
498 * PRX: Packet Received without error.
499 */
500#define ED_RSR_PRX	0x01
501
502/*
503 * CRC: CRC error. Indicates that a packet has a CRC error. Also set for frame
504 *	alignment errors.
505 */
506#define ED_RSR_CRC	0x02
507
508/*
509 * FAE: Frame Alignment Error. Indicates that the incoming packet did not end on
510 *	a byte boundary and the CRC did not match at the last byte boundary.
511 */
512#define ED_RSR_FAE	0x04
513
514/*
515 * FO: FIFO Overrun. Indicates that the FIFO was not serviced (during local DMA)
516 *	causing it to overrun. Reception of the packet is aborted.
517 */
518#define ED_RSR_FO	0x08
519
520/*
521 * MPA: Missed Packet. Indicates that the received packet couldn't be stored in
522 *	the ring-buffer because of insufficient buffer space (exceeding the
523 *	boundary pointer), or because the transfer to the ring-buffer was inhibited
524 *	by RCR_MON - monitor mode.
525 */
526#define ED_RSR_MPA	0x10
527
528/*
529 * PHY: Physical address. If 0, the packet received was sent to a physical address.
530 *	If 1, the packet was accepted because of a multicast/broadcast address
531 *	match.
532 */
533#define ED_RSR_PHY	0x20
534
535/*
536 * DIS: Receiver Disabled. Set to indicate that the receiver has entered monitor
537 *	mode. Cleared when the receiver exits monitor mode.
538 */
539#define ED_RSR_DIS	0x40
540
541/*
542 * DFR: Deferring. Set to indicate a 'jabber' condition. The CRS and COL inputs
543 *	are active, and the transceiver has set the CD line as a result of the
544 *	jabber.
545 */
546#define ED_RSR_DFR	0x80
547
548/*
549 * receive ring descriptor
550 *
551 * The National Semiconductor DS8390 Network interface controller uses
552 * the following receive ring headers.  The way this works is that the
553 * memory on the interface card is chopped up into 256 bytes blocks.
554 * A contiguous portion of those blocks are marked for receive packets
555 * by setting start and end block #'s in the NIC.  For each packet that
556 * is put into the receive ring, one of these headers (4 bytes each) is
557 * tacked onto the front. The first byte is a copy of the receiver status
558 * register at the time the packet was received.
559 */
560struct ed_ring	{
561	u_char	rsr;			/* receiver status */
562	u_char	next_packet;		/* pointer to next packet	*/
563	u_short	count;			/* bytes in packet (length + 4)	*/
564};
565
566/*
567 * 				Common constants
568 */
569#define ED_PAGE_SIZE		256		/* Size of RAM pages in bytes */
570#define ED_TXBUF_SIZE		6		/* Size of TX buffer in pages */
571
572/*
573 * Vendor types
574 */
575#define ED_VENDOR_WD_SMC	0x00		/* Western Digital/SMC */
576#define ED_VENDOR_3COM		0x01		/* 3Com */
577#define ED_VENDOR_NOVELL	0x02		/* Novell */
578#define ED_VENDOR_PCCARD	0x03		/* PCMCIA/PCCARD */
579#define ED_VENDOR_HP		0x04		/* Hewlett Packard */
580#define ED_VENDOR_LINKSYS	0x05		/* Linksys (Dlink) */
581
582/*
583 * Compile-time config flags
584 */
585/*
586 * this sets the default for enabling/disabling the transceiver
587 */
588#define ED_FLAGS_DISABLE_TRANCEIVER	0x0001
589
590/*
591 * This forces the board to be used in 8/16bit mode even if it
592 *	autoconfigs differently
593 */
594#define ED_FLAGS_FORCE_8BIT_MODE	0x0002
595#define ED_FLAGS_FORCE_16BIT_MODE	0x0004
596
597/*
598 * This disables the use of double transmit buffers.
599 */
600#define ED_FLAGS_NO_MULTI_BUFFERING	0x0008
601
602/*
603 * This forces all operations with the NIC memory to use Programmed
604 *	I/O (i.e. not via shared memory)
605 */
606#define ED_FLAGS_FORCE_PIO		0x0010
607
608/*
609 * These are flags describing the chip type.
610 */
611#define ED_FLAGS_TOSH_ETHER		0x10000
612#define ED_FLAGS_GWETHER		0x20000
613#define ED_FLAGS_AX88190		0x30000
614#define ED_FLAGS_LINKSYS		0x80000
615
616#define ED_FLAGS_GETTYPE(flg)		((flg) & 0xff0000)
617
618/*
619 *		Definitions for Western digital/SMC WD80x3 series ASIC
620 */
621/*
622 * Memory Select Register (MSR)
623 */
624#define ED_WD_MSR	0
625
626/* next three definitions for Toshiba */
627#define ED_WD_MSR_POW	0x02	/* 0 = power save, 1 = normal (R/W) */
628#define ED_WD_MSR_BSY	0x04	/* gate array busy (R) */
629#define ED_WD_MSR_LEN	0x20	/* data bus width, 0 = 16 bits,
630				   1 = 8 bits (R/W) */
631#define ED_WD_MSR_ADDR	0x3f	/* Memory decode bits 18-13 */
632#define ED_WD_MSR_MENB	0x40	/* Memory enable */
633#define ED_WD_MSR_RST	0x80	/* Reset board */
634
635/*
636 * Interface Configuration Register (ICR)
637 */
638#define ED_WD_ICR	1
639
640#define ED_WD_ICR_16BIT	0x01	/* 16-bit interface */
641#define ED_WD_ICR_OAR	0x02	/* select register. 0=BIO 1=EAR */
642#define ED_WD_ICR_IR2	0x04	/* high order bit of encoded IRQ */
643#define ED_WD_ICR_MSZ	0x08	/* memory size (0=8k 1=32k) */
644#define ED_WD_ICR_RLA	0x10	/* recall LAN address */
645#define ED_WD_ICR_RX7	0x20	/* recall all but i/o and LAN address */
646#define	ED_WD_ICR_RIO	0x40	/* recall i/o address */
647#define ED_WD_ICR_STO	0x80	/* store to non-volatile memory */
648#define ED_WD_ICR_MEM	0xe0	/* shared mem address A15-A13 (R/W) */
649#define ED_WD_ICR_MSZ1	0x0f	/* memory size, 0x08 = 64K, 0x04 = 32K,
650				   0x02 = 16K, 0x01 = 8K */
651				/* 64K can only be used if mem address
652				   above 1Mb */
653				/* IAR holds address A23-A16 (R/W) */
654
655/*
656 * IO Address Register (IAR)
657 */
658#define ED_WD_IAR	2
659
660/*
661 * EEROM Address Register
662 */
663#define ED_WD_EAR	3
664
665/*
666 * Interrupt Request Register (IRR)
667 */
668#define ED_WD_IRR	4
669
670#define	ED_WD_IRR_0WS	0x01	/* use 0 wait-states on 8 bit bus */
671#define ED_WD_IRR_OUT1	0x02	/* WD83C584 pin 1 output */
672#define ED_WD_IRR_OUT2	0x04	/* WD83C584 pin 2 output */
673#define ED_WD_IRR_OUT3	0x08	/* WD83C584 pin 3 output */
674#define ED_WD_IRR_FLASH	0x10	/* Flash RAM is in the ROM socket */
675
676/*
677 * The three bits of the encoded IRQ are decoded as follows:
678 *
679 *	IR2 IR1 IR0	IRQ
680 *	 0   0   0	 2/9
681 *	 0   0   1	 3
682 *	 0   1   0	 5
683 *	 0   1   1	 7
684 *	 1   0   0	 10
685 *	 1   0   1	 11
686 *	 1   1   0	 15
687 *	 1   1   1	 4
688 */
689#define ED_WD_IRR_IR0	0x20	/* bit 0 of encoded IRQ */
690#define ED_WD_IRR_IR1	0x40	/* bit 1 of encoded IRQ */
691#define ED_WD_IRR_IEN	0x80	/* Interrupt enable */
692
693/*
694 * LA Address Register (LAAR)
695 */
696#define ED_WD_LAAR	5
697
698#define ED_WD_LAAR_ADDRHI	0x1f	/* bits 23-19 of RAM address */
699#define ED_WD_LAAR_0WS16	0x20	/* enable 0 wait-states on 16 bit bus */
700#define ED_WD_LAAR_L16EN	0x40	/* enable 16-bit operation */
701#define ED_WD_LAAR_M16EN	0x80	/* enable 16-bit memory access */
702
703/* i/o base offset to station address/card-ID PROM */
704#define ED_WD_PROM	8
705
706/*
707 *	83C790 specific registers
708 */
709/*
710 * Hardware Support Register (HWR) ('790)
711 */
712#define ED_WD790_HWR	4
713
714#define WD_WD790_HWR_NUKE	0x10	/* hardware reset */
715#define ED_WD790_HWR_LPRM	0x40	/* LAN PROM select */
716#define ED_WD790_HWR_SWH	0x80	/* switch register set */
717
718/*
719 * ICR790 Interrupt Control Register for the 83C790
720 */
721#define ED_WD790_ICR	6
722
723#define ED_WD790_ICR_EIL	0x01	/* enable interrupts */
724
725/*
726 * REV/IOPA Revision / I/O Pipe register for the 83C79X
727 */
728#define ED_WD790_REV	7
729
730#define ED_WD790	0x20
731#define ED_WD795	0x40
732
733/*
734 * 79X RAM Address Register (RAR)
735 *	Enabled with SWH bit=1 in HWR register
736 */
737#define ED_WD790_RAR	0x0b
738
739#define ED_WD790_RAR_SZ8	0x00	/* 8k memory buffer */
740#define ED_WD790_RAR_SZ16	0x10	/* 16k memory buffer */
741#define ED_WD790_RAR_SZ32	0x20	/* 32k memory buffer */
742#define ED_WD790_RAR_SZ64	0x30	/* 64k memory buffer */
743
744/*
745 * General Control Register (GCR)
746 *	Enabled with SWH bit=1 in HWR register
747 */
748#define ED_WD790_GCR	0x0d
749
750#define ED_WD790_GCR_IR0	0x04	/* bit 0 of encoded IRQ */
751#define ED_WD790_GCR_IR1	0x08	/* bit 1 of encoded IRQ */
752#define ED_WD790_GCR_ZWSEN	0x20	/* zero wait state enable */
753#define ED_WD790_GCR_IR2	0x40	/* bit 2 of encoded IRQ */
754#define ED_WD790_GCR_LIT	0x01	/* Link Integrity Test Enable */
755/*
756 * The three bits of the encoded IRQ are decoded as follows:
757 *
758 *	IR2 IR1 IR0	IRQ
759 *	 0   0   0	 none
760 *	 0   0   1	 9
761 *	 0   1   0	 3
762 *	 0   1   1	 5
763 *	 1   0   0	 7
764 *	 1   0   1	 10
765 *	 1   1   0	 11
766 *	 1   1   1	 15
767 */
768
769/* i/o base offset to CARD ID */
770#define ED_WD_CARD_ID	ED_WD_PROM+6
771
772/* Board type codes in card ID */
773#define ED_TYPE_WD8003S		0x02
774#define ED_TYPE_WD8003E		0x03
775#define ED_TYPE_WD8013EBT	0x05
776#define ED_TYPE_TOSHIBA1	0x11 /* named PCETA1 */
777#define ED_TYPE_TOSHIBA2	0x12 /* named PCETA2 */
778#define ED_TYPE_TOSHIBA3	0x13 /* named PCETB  */
779#define ED_TYPE_TOSHIBA4	0x14 /* named PCETC  */
780#define ED_TYPE_WD8003W		0x24
781#define ED_TYPE_WD8003EB	0x25
782#define ED_TYPE_WD8013W		0x26
783#define ED_TYPE_WD8013EP	0x27
784#define ED_TYPE_WD8013WC	0x28
785#define ED_TYPE_WD8013EPC	0x29
786#define ED_TYPE_SMC8216T	0x2a
787#define ED_TYPE_SMC8216C	0x2b
788#define ED_TYPE_WD8013EBP	0x2c
789
790/* Bit definitions in card ID */
791#define	ED_WD_REV_MASK		0x1f		/* Revision mask */
792#define	ED_WD_SOFTCONFIG	0x20		/* Soft config */
793#define	ED_WD_LARGERAM		0x40		/* Large RAM */
794#define	ED_MICROCHANEL		0x80		/* Microchannel bus (vs. isa) */
795
796/*
797 * Checksum total. All 8 bytes in station address PROM will add up to this
798 */
799#define ED_WD_ROM_CHECKSUM_TOTAL		0xFF
800#define ED_WD_ROM_CHECKSUM_TOTAL_TOSH_ETHER	0xA5
801
802#define ED_WD_NIC_OFFSET	0x10		/* I/O base offset to NIC */
803#define ED_WD_ASIC_OFFSET	0		/* I/O base offset to ASIC */
804#define ED_WD_IO_PORTS		32		/* # of i/o addresses used */
805
806#define ED_WD_PAGE_OFFSET	0	/* page offset for NIC access to mem */
807
808/*
809 *			Definitions for 3Com 3c503
810 */
811#define ED_3COM_NIC_OFFSET	0
812#define ED_3COM_ASIC_OFFSET	0x400		/* offset to nic i/o regs */
813
814/*
815 * XXX - The I/O address range is fragmented in the 3c503; this is the
816 *	number of regs at iobase.
817 */
818#define ED_3COM_IO_PORTS	16		/* # of i/o addresses used */
819
820/* tx memory starts in second bank on 8bit cards */
821#define ED_3COM_TX_PAGE_OFFSET_8BIT	0x20
822
823/* tx memory starts in first bank on 16bit cards */
824#define ED_3COM_TX_PAGE_OFFSET_16BIT	0x0
825
826/* ...and rx memory starts in second bank */
827#define ED_3COM_RX_PAGE_OFFSET_16BIT	0x20
828
829
830/*
831 *	Page Start Register. Must match PSTART in NIC
832 */
833#define ED_3COM_PSTR		0
834
835/*
836 *	Page Stop Register. Must match PSTOP in NIC
837 */
838#define ED_3COM_PSPR		1
839
840/*
841 *	Drq Timer Register. Determines number of bytes to be transfered during
842 *		a DMA burst.
843 */
844#define ED_3COM_DQTR		2
845
846/*
847 *	Base Configuration Register. Read-only register which contains the
848 *		board-configured I/O base address of the adapter. Bit encoded.
849 */
850#define ED_3COM_BCFR		3
851
852#define ED_3COM_BCFR_2E0	0x01
853#define ED_3COM_BCFR_2A0	0x02
854#define ED_3COM_BCFR_280	0x04
855#define ED_3COM_BCFR_250	0x08
856#define ED_3COM_BCFR_350	0x10
857#define ED_3COM_BCFR_330	0x20
858#define ED_3COM_BCFR_310	0x40
859#define ED_3COM_BCFR_300	0x80
860
861/*
862 *	EPROM Configuration Register. Read-only register which contains the
863 *		board-configured memory base address. Bit encoded.
864 */
865#define ED_3COM_PCFR		4
866
867#define ED_3COM_PCFR_C8000	0x10
868#define ED_3COM_PCFR_CC000	0x20
869#define ED_3COM_PCFR_D8000	0x40
870#define ED_3COM_PCFR_DC000	0x80
871
872/*
873 *	GA Configuration Register. Gate-Array Configuration Register.
874 */
875#define ED_3COM_GACFR		5
876
877/*
878 * mbs2  mbs1  mbs0		start address
879 *  0     0     0		0x0000
880 *  0     0     1		0x2000
881 *  0     1     0		0x4000
882 *  0     1     1		0x6000
883 *
884 *	Note that with adapters with only 8K, the setting for 0x2000 must
885 *		always be used.
886 */
887#define ED_3COM_GACFR_MBS0	0x01
888#define ED_3COM_GACFR_MBS1	0x02
889#define ED_3COM_GACFR_MBS2	0x04
890
891#define ED_3COM_GACFR_RSEL	0x08	/* enable shared memory */
892#define ED_3COM_GACFR_TEST	0x10	/* for GA testing */
893#define ED_3COM_GACFR_OWS	0x20	/* select 0WS access to GA */
894#define ED_3COM_GACFR_TCM	0x40	/* Mask DMA interrupts */
895#define ED_3COM_GACFR_NIM	0x80	/* Mask NIC interrupts */
896
897/*
898 *	Control Register. Miscellaneous control functions.
899 */
900#define ED_3COM_CR		6
901
902#define ED_3COM_CR_RST		0x01	/* Reset GA and NIC */
903#define ED_3COM_CR_XSEL		0x02	/* Transceiver select. BNC=1(def) AUI=0 */
904#define ED_3COM_CR_EALO		0x04	/* window EA PROM 0-15 to I/O base */
905#define ED_3COM_CR_EAHI		0x08	/* window EA PROM 16-31 to I/O base */
906#define ED_3COM_CR_SHARE	0x10	/* select interrupt sharing option */
907#define ED_3COM_CR_DBSEL	0x20	/* Double buffer select */
908#define ED_3COM_CR_DDIR		0x40	/* DMA direction select */
909#define ED_3COM_CR_START	0x80	/* Start DMA controller */
910
911/*
912 *	Status Register. Miscellaneous status information.
913 */
914#define ED_3COM_STREG		7
915
916#define ED_3COM_STREG_REV	0x07	/* GA revision */
917#define ED_3COM_STREG_DIP	0x08	/* DMA in progress */
918#define ED_3COM_STREG_DTC	0x10	/* DMA terminal count */
919#define ED_3COM_STREG_OFLW	0x20	/* Overflow */
920#define ED_3COM_STREG_UFLW	0x40	/* Underflow */
921#define ED_3COM_STREG_DPRDY	0x80	/* Data port ready */
922
923/*
924 *	Interrupt/DMA Configuration Register
925 */
926#define ED_3COM_IDCFR		8
927
928#define ED_3COM_IDCFR_DRQ0	0x01	/* DMA request 1 select */
929#define ED_3COM_IDCFR_DRQ1	0x02	/* DMA request 2 select */
930#define ED_3COM_IDCFR_DRQ2	0x04	/* DMA request 3 select */
931#define ED_3COM_IDCFR_UNUSED	0x08	/* not used */
932#define ED_3COM_IDCFR_IRQ2	0x10	/* Interrupt request 2 select */
933#define ED_3COM_IDCFR_IRQ3	0x20	/* Interrupt request 3 select */
934#define ED_3COM_IDCFR_IRQ4	0x40	/* Interrupt request 4 select */
935#define ED_3COM_IDCFR_IRQ5	0x80	/* Interrupt request 5 select */
936
937/*
938 *	DMA Address Register MSB
939 */
940#define ED_3COM_DAMSB		9
941
942/*
943 *	DMA Address Register LSB
944 */
945#define ED_3COM_DALSB		0x0a
946
947/*
948 *	Vector Pointer Register 2
949 */
950#define ED_3COM_VPTR2		0x0b
951
952/*
953 *	Vector Pointer Register 1
954 */
955#define ED_3COM_VPTR1		0x0c
956
957/*
958 *	Vector Pointer Register 0
959 */
960#define ED_3COM_VPTR0		0x0d
961
962/*
963 *	Register File Access MSB
964 */
965#define ED_3COM_RFMSB		0x0e
966
967/*
968 *	Register File Access LSB
969 */
970#define ED_3COM_RFLSB		0x0f
971
972/*
973 *		 Definitions for Novell NE1000/2000 boards
974 */
975
976/*
977 * Board type codes
978 */
979#define ED_TYPE_NE1000		0x01
980#define ED_TYPE_NE2000		0x02
981
982/*
983 * Register offsets/total
984 */
985#define ED_NOVELL_NIC_OFFSET	0x00
986#define ED_NOVELL_ASIC_OFFSET	0x10
987#define ED_NOVELL_IO_PORTS	32
988
989/*
990 * Remote DMA data register; for reading or writing to the NIC mem
991 *	via programmed I/O (offset from ASIC base)
992 */
993#define ED_NOVELL_DATA		0x00
994
995/*
996 * Reset register; reading from this register causes a board reset
997 */
998#define ED_NOVELL_RESET		0x0f
999
1000/*
1001 *		Definitions for PCCARD
1002 */
1003#define ED_PC_PAGE_OFFSET	0x40	/* page offset for NIC access to mem */
1004#define ED_PC_IO_PORTS		32
1005#define ED_PC_ASIC_OFFSET	0x10
1006#define ED_PC_RESET		0x0f	/* Reset(offset from ASIC base) */
1007#define ED_PC_MISC		0x08	/* Misc (offset from ASIC base) */
1008
1009/*
1010 * if_ze.h  constants
1011 */
1012
1013#define ZE_PAGE_OFFSET		0x40	/* mem buffer starts at 0x4000 */
1014
1015#define ZE_DATA_IO	0x10
1016#define ZE_MISC		0x18
1017#define ZE_RESET	0x1F
1018
1019/*
1020 * Definitions for HP PC LAN Adapter Plus; based on the CRYNWR packet
1021 * driver for the card.
1022 */
1023
1024#define	ED_HPP_ASIC_OFFSET	0x00	/* Offset to ASIC registers */
1025#define	ED_HPP_NIC_OFFSET	0x10	/* Offset to 8390 registers */
1026
1027#define	ED_HPP_ID		0x00	/* ID register, always 0x4850 */
1028#define	ED_HPP_PAGING		0x02	/* Page select register */
1029#define	ED_HPP_OPTION		0x04	/* Bitmask of supported options */
1030#define	ED_HPP_PAGE_0		0x08	/* Page 0 */
1031#define	ED_HPP_PAGE_2		0x0A	/* Page 2 */
1032#define ED_HPP_PAGE_4		0x0C	/* Page 4 */
1033#define	ED_HPP_PAGE_6		0x0E	/* Page 6 */
1034
1035/* PERF PAGE */
1036#define	ED_HPP_OUT_ADDR		ED_HPP_PAGE_0	/* I/O output location */
1037#define	ED_HPP_IN_ADDR		ED_HPP_PAGE_2	/* I/O input location */
1038#define	ED_HPP_DATAPORT		ED_HPP_PAGE_4	/* I/O data transfer */
1039/* MAC PAGE */
1040#define ED_HPP_MAC_ADDR		0x08	/* Offset of MAC address in MAC page */
1041
1042#define	ED_HPP_IO_PORTS		32	/* Number of IO ports */
1043
1044#define	ED_HPP_TX_PAGE_OFFSET	0x00	/* first page of TX buffer */
1045#define ED_HPP_RX_PAGE_START	0x06	/* start at page 6 */
1046#define	ED_HPP_RX_PAGE_STOP	0x80	/* end at page 128 */
1047
1048/*
1049 * Register pages supported.
1050 */
1051
1052#define	ED_HPP_PAGE_PERF	0	/* Normal operation */
1053#define	ED_HPP_PAGE_MAC		1	/* The ethernet address and checksum */
1054#define	ED_HPP_PAGE_HW		2	/* Hardware parameters in EEPROM */
1055#define	ED_HPP_PAGE_LAN		4	/* Transciever selection etc */
1056#define	ED_HPP_PAGE_ID		6	/* ID */
1057
1058/*
1059 * Options supported.
1060 */
1061
1062#define	ED_HPP_OPTION_NIC_RESET		0x0001	/* active low */
1063#define	ED_HPP_OPTION_CHIP_RESET	0x0002	/* active low */
1064#define	ED_HPP_OPTION_ENABLE_IRQ	0x0004
1065#define	ED_HPP_OPTION_FAKE_INTR		0x0008
1066#define	ED_HPP_OPTION_BOOT_ROM_ENB	0x0010
1067#define	ED_HPP_OPTION_IO_ENB		0x0020
1068#define	ED_HPP_OPTION_MEM_ENABLE	0x0040
1069#define	ED_HPP_OPTION_ZERO_WAIT		0x0080
1070#define	ED_HPP_OPTION_MEM_DISABLE	0x1000
1071
1072/*
1073 * Page ID configuration.
1074 */
1075
1076#define	ED_HPP_ID_REVISION_MASK		0x0300	/* revision id */
1077#define ED_HPP_ID_SOFT_MODEL_MASK	0xFC00	/* soft model number */
1078#define ED_HPP_ID_16_BIT_ACCESS		0x0010	/* if set use 16 bit accesses */
1079#define	ED_HPP_ID_TWISTED_PAIR		0x0040
1080
1081/*
1082 * Hardware configuration.
1083 */
1084
1085#define	ED_HPP_HW_MEM_MAP	0x09	/* low mem map location in HW page */
1086#define ED_HPP_HW_ID		0x0C	/* revision number, capabilities */
1087#define ED_HPP_HW_IRQ		0x0D	/* IRQ channel register in HW page */
1088#define	ED_HPP_HW_WRAP		0x0E	/* mem wrap page for rcv */
1089
1090/*
1091 * Lan configuration
1092 */
1093
1094#define ED_HPP_LAN_AUI		0x01	/* Use AUI */
1095#define ED_HPP_LAN_TL		0x40	/* Don't use AUI */
1096
1097/*
1098 * Card types.
1099 */
1100
1101#define ED_TYPE_HP_PCLANPLUS	0x00
1102
1103/*
1104 * Chip types.
1105 */
1106
1107#define ED_CHIP_TYPE_DP8390	0x00
1108#define ED_CHIP_TYPE_WD790	0x01
1109#define ED_CHIP_TYPE_AX88190	0x02
1110
1111/*
1112 * AX88190 IOBASE registers.
1113 */
1114
1115#define ED_AX88190_IOBASE0	0x3ca
1116#define ED_AX88190_IOBASE1	0x3cc
1117
1118/*
1119 * MII bus definitions.
1120 */
1121#define ED_MII_STARTDELIM	0x01
1122#define ED_MII_WRITEOP		0x01
1123#define ED_MII_READOP		0x02
1124#define ED_MII_TURNAROUND	0x02
1125#define ED_MII_IDLE		0x01
1126
1127#define ED_MII_STARTDELIM_BITS	2
1128#define ED_MII_OP_BITS		2
1129#define ED_MII_PHY_BITS		5
1130#define ED_MII_REG_BITS		5
1131#define ED_MII_TURNAROUND_BITS	2
1132#define ED_MII_DATA_BITS	16
1133#define ED_MII_ACK_BITS		1
1134#define ED_MII_IDLE_BITS	1
1135
1136/* Dlink chipset used on some Netgear and Dlink PCMCIA cards */
1137#define ED_DLINK_MIIBUS		0x0c	/* MII bus register on ASIC */
1138
1139#define ED_DLINK_MII_RESET1	0x04
1140#define ED_DLINK_MII_RESET2	0x08
1141
1142#define ED_DLINK_MII_DATATIN	0x10
1143#define ED_DLINK_MII_DIROUT	0x20
1144#define ED_DLINK_MII_DATAOUT	0x40
1145#define ED_DLINK_MII_CLK	0x80
1146