xref: /openbsd-src/sys/dev/pci/if_vrreg.h (revision b2ea75c1b17e1a9a339660e7ed45cd24946b230e)
1 /*	$OpenBSD: if_vrreg.h,v 1.5 2001/05/16 13:41:27 aaron Exp $	*/
2 
3 /*
4  * Copyright (c) 1997, 1998
5  *	Bill Paul <wpaul@ctr.columbia.edu>.  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 Bill Paul.
18  * 4. Neither the name of the author nor the names of any co-contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32  * THE POSSIBILITY OF SUCH DAMAGE.
33  *
34  * $FreeBSD: src/sys/pci/if_vrreg.h,v 1.10 2001/02/09 06:11:21 bmilekic Exp $
35  */
36 
37 /*
38  * Rhine register definitions.
39  */
40 
41 #define VR_PAR0			0x00	/* node address 0 to 4 */
42 #define VR_PAR1			0x04	/* node address 2 to 6 */
43 #define VR_RXCFG		0x06	/* receiver config register */
44 #define VR_TXCFG		0x07	/* transmit config register */
45 #define VR_COMMAND		0x08	/* command register */
46 #define VR_ISR			0x0C	/* interrupt/status register */
47 #define VR_IMR			0x0E	/* interrupt mask register */
48 #define VR_MAR0			0x10	/* multicast hash 0 */
49 #define VR_MAR1			0x14	/* multicast hash 1 */
50 #define VR_RXADDR		0x18	/* rx descriptor list start addr */
51 #define VR_TXADDR		0x1C	/* tx descriptor list start addr */
52 #define VR_CURRXDESC0		0x20
53 #define VR_CURRXDESC1		0x24
54 #define VR_CURRXDESC2		0x28
55 #define VR_CURRXDESC3		0x2C
56 #define VR_NEXTRXDESC0		0x30
57 #define VR_NEXTRXDESC1		0x34
58 #define VR_NEXTRXDESC2		0x38
59 #define VR_NEXTRXDESC3		0x3C
60 #define VR_CURTXDESC0		0x40
61 #define VR_CURTXDESC1		0x44
62 #define VR_CURTXDESC2		0x48
63 #define VR_CURTXDESC3		0x4C
64 #define VR_NEXTTXDESC0		0x50
65 #define VR_NEXTTXDESC1		0x54
66 #define VR_NEXTTXDESC2		0x58
67 #define VR_NEXTTXDESC3		0x5C
68 #define VR_CURRXDMA		0x60	/* current RX DMA address */
69 #define VR_CURTXDMA		0x64	/* current TX DMA address */
70 #define VR_TALLYCNT		0x68	/* tally counter test register */
71 #define VR_PHYADDR		0x6C
72 #define VR_MIISTAT		0x6D
73 #define VR_BCR0			0x6E
74 #define VR_BCR1			0x6F
75 #define VR_MIICMD		0x70
76 #define VR_MIIADDR		0x71
77 #define VR_MIIDATA		0x72
78 #define VR_EECSR		0x74
79 #define VR_TEST			0x75
80 #define VR_GPIO			0x76
81 #define VR_CONFIG		0x78
82 #define VR_MPA_CNT		0x7C
83 #define VR_CRC_CNT		0x7E
84 #define VR_STICKHW		0x83
85 
86 /*
87  * RX config bits.
88  */
89 #define VR_RXCFG_RX_ERRPKTS	0x01
90 #define VR_RXCFG_RX_RUNT	0x02
91 #define VR_RXCFG_RX_MULTI	0x04
92 #define VR_RXCFG_RX_BROAD	0x08
93 #define VR_RXCFG_RX_PROMISC	0x10
94 #define VR_RXCFG_RX_THRESH	0xE0
95 
96 #define VR_RXTHRESH_32BYTES	0x00
97 #define VR_RXTHRESH_64BYTES	0x20
98 #define VR_RXTHRESH_128BYTES	0x40
99 #define VR_RXTHRESH_256BYTES	0x60
100 #define VR_RXTHRESH_512BYTES	0x80
101 #define VR_RXTHRESH_768BYTES	0xA0
102 #define VR_RXTHRESH_1024BYTES	0xC0
103 #define VR_RXTHRESH_STORENFWD	0xE0
104 
105 /*
106  * TX config bits.
107  */
108 #define VR_TXCFG_RSVD0		0x01
109 #define VR_TXCFG_LOOPBKMODE	0x06
110 #define VR_TXCFG_BACKOFF	0x08
111 #define VR_TXCFG_RSVD1		0x10
112 #define VR_TXCFG_TX_THRESH	0xE0
113 
114 #define VR_TXTHRESH_32BYTES	0x00
115 #define VR_TXTHRESH_64BYTES	0x20
116 #define VR_TXTHRESH_128BYTES	0x40
117 #define VR_TXTHRESH_256BYTES	0x60
118 #define VR_TXTHRESH_512BYTES	0x80
119 #define VR_TXTHRESH_768BYTES	0xA0
120 #define VR_TXTHRESH_1024BYTES	0xC0
121 #define VR_TXTHRESH_STORENFWD	0xE0
122 
123 /*
124  * Command register bits.
125  */
126 #define VR_CMD_INIT		0x0001
127 #define VR_CMD_START		0x0002
128 #define VR_CMD_STOP		0x0004
129 #define VR_CMD_RX_ON		0x0008
130 #define VR_CMD_TX_ON		0x0010
131 #define	VR_CMD_TX_GO		0x0020
132 #define VR_CMD_RX_GO		0x0040
133 #define VR_CMD_RSVD		0x0080
134 #define VR_CMD_RX_EARLY		0x0100
135 #define VR_CMD_TX_EARLY		0x0200
136 #define VR_CMD_FULLDUPLEX	0x0400
137 #define VR_CMD_TX_NOPOLL	0x0800
138 
139 #define VR_CMD_RESET		0x8000
140 
141 /*
142  * Interrupt status bits.
143  */
144 #define VR_ISR_RX_OK		0x0001	/* packet rx ok */
145 #define VR_ISR_TX_OK		0x0002	/* packet tx ok */
146 #define VR_ISR_RX_ERR		0x0004	/* packet rx with err */
147 #define VR_ISR_TX_ABRT		0x0008	/* tx aborted due to excess colls */
148 #define VR_ISR_TX_UNDERRUN	0x0010	/* tx buffer underflow */
149 #define VR_ISR_RX_NOBUF		0x0020	/* no rx buffer available */
150 #define VR_ISR_BUSERR		0x0040	/* PCI bus error */
151 #define VR_ISR_STATSOFLOW	0x0080	/* stats counter oflow */
152 #define VR_ISR_RX_EARLY		0x0100	/* rx early */
153 #define VR_ISR_LINKSTAT		0x0200	/* MII status change */
154 #define VR_ISR_RX_OFLOW		0x0400	/* rx FIFO overflow */
155 #define VR_ISR_RX_DROPPED	0x0800
156 #define VR_ISR_RX_NOBUF2	0x1000
157 #define VR_ISR_TX_ABRT2		0x2000
158 #define VR_ISR_LINKSTAT2	0x4000
159 #define VR_ISR_MAGICPACKET	0x8000
160 
161 /*
162  * Interrupt mask bits.
163  */
164 #define VR_IMR_RX_OK		0x0001	/* packet rx ok */
165 #define VR_IMR_TX_OK		0x0002	/* packet tx ok */
166 #define VR_IMR_RX_ERR		0x0004	/* packet rx with err */
167 #define VR_IMR_TX_ABRT		0x0008	/* tx aborted due to excess colls */
168 #define VR_IMR_TX_UNDERRUN	0x0010	/* tx buffer underflow */
169 #define VR_IMR_RX_NOBUF		0x0020	/* no rx buffer available */
170 #define VR_IMR_BUSERR		0x0040	/* PCI bus error */
171 #define VR_IMR_STATSOFLOW	0x0080	/* stats counter oflow */
172 #define VR_IMR_RX_EARLY		0x0100	/* rx early */
173 #define VR_IMR_LINKSTAT		0x0200	/* MII status change */
174 #define VR_IMR_RX_OFLOW		0x0400	/* rx FIFO overflow */
175 #define VR_IMR_RX_DROPPED	0x0800
176 #define VR_IMR_RX_NOBUF2	0x1000
177 #define VR_IMR_TX_ABRT2		0x2000
178 #define VR_IMR_LINKSTAT2	0x4000
179 #define VR_IMR_MAGICPACKET	0x8000
180 
181 #define VR_INTRS							\
182 	(VR_IMR_RX_OK|VR_IMR_TX_OK|VR_IMR_RX_NOBUF|			\
183 	VR_IMR_TX_ABRT|VR_IMR_TX_UNDERRUN|VR_IMR_BUSERR|		\
184 	VR_IMR_RX_ERR|VR_ISR_RX_DROPPED)
185 
186 /*
187  * MII status register.
188  */
189 
190 #define VR_MIISTAT_SPEED	0x01
191 #define VR_MIISTAT_LINKFAULT	0x02
192 #define VR_MIISTAT_MGTREADERR	0x04
193 #define VR_MIISTAT_MIIERR	0x08
194 #define VR_MIISTAT_PHYOPT	0x10
195 #define VR_MIISTAT_MDC_SPEED	0x20
196 #define VR_MIISTAT_RSVD		0x40
197 #define VR_MIISTAT_GPIO1POLL	0x80
198 
199 /*
200  * MII command register bits.
201  */
202 #define VR_MIICMD_CLK		0x01
203 #define VR_MIICMD_DATAOUT	0x02
204 #define VR_MIICMD_DATAIN	0x04
205 #define VR_MIICMD_DIR		0x08
206 #define VR_MIICMD_DIRECTPGM	0x10
207 #define VR_MIICMD_WRITE_ENB	0x20
208 #define VR_MIICMD_READ_ENB	0x40
209 #define VR_MIICMD_AUTOPOLL	0x80
210 
211 /*
212  * EEPROM control bits.
213  */
214 #define VR_EECSR_DATAIN		0x01	/* data out */
215 #define VR_EECSR_DATAOUT	0x02	/* data in */
216 #define VR_EECSR_CLK		0x04	/* clock */
217 #define VR_EECSR_CS		0x08	/* chip select */
218 #define VR_EECSR_DPM		0x10
219 #define VR_EECSR_LOAD		0x20
220 #define VR_EECSR_EMBP		0x40
221 #define VR_EECSR_EEPR		0x80
222 
223 #define VR_EECMD_WRITE		0x140
224 #define VR_EECMD_READ		0x180
225 #define VR_EECMD_ERASE		0x1c0
226 
227 /*
228  * Test register bits.
229  */
230 #define VR_TEST_TEST0		0x01
231 #define VR_TEST_TEST1		0x02
232 #define VR_TEST_TEST2		0x04
233 #define VR_TEST_TSTUD		0x08
234 #define VR_TEST_TSTOV		0x10
235 #define VR_TEST_BKOFF		0x20
236 #define VR_TEST_FCOL		0x40
237 #define VR_TEST_HBDES		0x80
238 
239 /*
240  * Config register bits.
241  */
242 #define VR_CFG_GPIO2OUTENB	0x00000001
243 #define VR_CFG_GPIO2OUT		0x00000002	/* gen. purp. pin */
244 #define VR_CFG_GPIO2IN		0x00000004	/* gen. purp. pin */
245 #define VR_CFG_AUTOOPT		0x00000008	/* enable rx/tx autopoll */
246 #define VR_CFG_MIIOPT		0x00000010
247 #define VR_CFG_MMIENB		0x00000020	/* memory mapped mode enb */
248 #define VR_CFG_JUMPER		0x00000040	/* PHY and oper. mode select */
249 #define VR_CFG_EELOAD		0x00000080	/* enable EEPROM programming */
250 #define VR_CFG_LATMENB		0x00000100	/* larency timer effect enb. */
251 #define VR_CFG_MRREADWAIT	0x00000200
252 #define VR_CFG_MRWRITEWAIT	0x00000400
253 #define VR_CFG_RX_ARB		0x00000800
254 #define VR_CFG_TX_ARB		0x00001000
255 #define VR_CFG_READMULTI	0x00002000
256 #define VR_CFG_TX_PACE		0x00004000
257 #define VR_CFG_TX_QDIS		0x00008000
258 #define VR_CFG_ROMSEL0		0x00010000
259 #define VR_CFG_ROMSEL1		0x00020000
260 #define VR_CFG_ROMSEL2		0x00040000
261 #define VR_CFG_ROMTIMESEL	0x00080000
262 #define VR_CFG_RSVD0		0x00100000
263 #define VR_CFG_ROMDLY		0x00200000
264 #define VR_CFG_ROMOPT		0x00400000
265 #define VR_CFG_RSVD1		0x00800000
266 #define VR_CFG_BACKOFFOPT	0x01000000
267 #define VR_CFG_BACKOFFMOD	0x02000000
268 #define VR_CFG_CAPEFFECT	0x04000000
269 #define VR_CFG_BACKOFFRAND	0x08000000
270 #define VR_CFG_MAGICKPACKET	0x10000000
271 #define VR_CFG_PCIREADLINE	0x20000000
272 #define VR_CFG_DIAG		0x40000000
273 #define VR_CFG_GPIOEN		0x80000000
274 
275 /* Sticky HW bits */
276 #define VR_STICKHW_DS0		0x01
277 #define VR_STICKHW_DS1		0x02
278 #define VR_STICKHW_WOL_ENB	0x04
279 #define VR_STICKHW_WOL_STS	0x08
280 #define VR_STICKHW_LEGWOL_ENB	0x80
281 
282 /*
283  * Rhine TX/RX list structure.
284  */
285 
286 struct vr_desc {
287 	u_int32_t		vr_status;
288 	u_int32_t		vr_ctl;
289 	u_int32_t		vr_ptr1;
290 	u_int32_t		vr_ptr2;
291 };
292 
293 #define vr_data		vr_ptr1
294 #define vr_next		vr_ptr2
295 
296 
297 #define VR_RXSTAT_RXERR		0x00000001
298 #define VR_RXSTAT_CRCERR	0x00000002
299 #define VR_RXSTAT_FRAMEALIGNERR	0x00000004
300 #define VR_RXSTAT_FIFOOFLOW	0x00000008
301 #define VR_RXSTAT_GIANT		0x00000010
302 #define VR_RXSTAT_RUNT		0x00000020
303 #define VR_RXSTAT_BUSERR	0x00000040
304 #define VR_RXSTAT_BUFFERR	0x00000080
305 #define VR_RXSTAT_LASTFRAG	0x00000100
306 #define VR_RXSTAT_FIRSTFRAG	0x00000200
307 #define VR_RXSTAT_RLINK		0x00000400
308 #define VR_RXSTAT_RX_PHYS	0x00000800
309 #define VR_RXSTAT_RX_BROAD	0x00001000
310 #define VR_RXSTAT_RX_MULTI	0x00002000
311 #define VR_RXSTAT_RX_OK		0x00004000
312 #define VR_RXSTAT_RXLEN		0x07FF0000
313 #define VR_RXSTAT_RXLEN_EXT	0x78000000
314 #define VR_RXSTAT_OWN		0x80000000
315 
316 #define VR_RXBYTES(x)		((x & VR_RXSTAT_RXLEN) >> 16)
317 #define VR_RXSTAT (VR_RXSTAT_FIRSTFRAG|VR_RXSTAT_LASTFRAG|VR_RXSTAT_OWN)
318 
319 #define VR_RXCTL_BUFLEN		0x000007FF
320 #define VR_RXCTL_BUFLEN_EXT	0x00007800
321 #define VR_RXCTL_CHAIN		0x00008000
322 #define VR_RXCTL_RX_INTR	0x00800000
323 
324 #define VR_RXCTL (VR_RXCTL_CHAIN|VR_RXCTL_RX_INTR)
325 
326 #define VR_TXSTAT_DEFER		0x00000001
327 #define VR_TXSTAT_UNDERRUN	0x00000002
328 #define VR_TXSTAT_COLLCNT	0x00000078
329 #define VR_TXSTAT_SQE		0x00000080
330 #define VR_TXSTAT_ABRT		0x00000100
331 #define VR_TXSTAT_LATECOLL	0x00000200
332 #define VR_TXSTAT_CARRLOST	0x00000400
333 #define VR_TXSTAT_BUSERR	0x00002000
334 #define VR_TXSTAT_JABTIMEO	0x00004000
335 #define VR_TXSTAT_ERRSUM	0x00008000
336 #define VR_TXSTAT_OWN		0x80000000
337 
338 #define VR_TXCTL_BUFLEN		0x000007FF
339 #define VR_TXCTL_BUFLEN_EXT	0x00007800
340 #define VR_TXCTL_TLINK		0x00008000
341 #define VR_TXCTL_FIRSTFRAG	0x00200000
342 #define VR_TXCTL_LASTFRAG	0x00400000
343 #define VR_TXCTL_FINT		0x00800000
344 
345 #define VR_MAXFRAGS		16
346 #define VR_RX_LIST_CNT		64
347 #define VR_TX_LIST_CNT		128
348 #define VR_MIN_FRAMELEN		60
349 #define VR_FRAMELEN		1536
350 #define VR_RXLEN		1520
351 
352 #define VR_TXOWN(x)		x->vr_ptr->vr_status
353 
354 struct vr_list_data {
355 	struct vr_desc		vr_rx_list[VR_RX_LIST_CNT];
356 	struct vr_desc		vr_tx_list[VR_TX_LIST_CNT];
357 };
358 
359 struct vr_chain {
360 	struct vr_desc		*vr_ptr;
361 	struct mbuf		*vr_mbuf;
362 	struct vr_chain		*vr_nextdesc;
363 };
364 
365 struct vr_chain_onefrag {
366 	struct vr_desc		*vr_ptr;
367 	struct mbuf		*vr_mbuf;
368 	struct vr_chain_onefrag	*vr_nextdesc;
369 };
370 
371 struct vr_chain_data {
372 	struct vr_chain_onefrag	vr_rx_chain[VR_RX_LIST_CNT];
373 	struct vr_chain		vr_tx_chain[VR_TX_LIST_CNT];
374 
375 	struct vr_chain_onefrag	*vr_rx_head;
376 
377 	struct vr_chain		*vr_tx_head;
378 	struct vr_chain		*vr_tx_tail;
379 	struct vr_chain		*vr_tx_free;
380 };
381 
382 struct vr_type {
383 	u_int16_t		vr_vid;
384 	u_int16_t		vr_did;
385 	char			*vr_name;
386 };
387 
388 struct vr_mii_frame {
389 	u_int8_t		mii_stdelim;
390 	u_int8_t		mii_opcode;
391 	u_int8_t		mii_phyaddr;
392 	u_int8_t		mii_regaddr;
393 	u_int8_t		mii_turnaround;
394 	u_int16_t		mii_data;
395 };
396 
397 /*
398  * MII constants
399  */
400 #define VR_MII_STARTDELIM	0x01
401 #define VR_MII_READOP		0x02
402 #define VR_MII_WRITEOP		0x01
403 #define VR_MII_TURNAROUND	0x02
404 
405 #define VR_FLAG_FORCEDELAY	1
406 #define VR_FLAG_SCHEDDELAY	2
407 #define VR_FLAG_DELAYTIMEO	3
408 
409 struct vr_softc {
410 	struct device		sc_dev;		/* generic device structure */
411 	void *			sc_ih;		/* interrupt handler cookie */
412 	struct arpcom		arpcom;		/* interface info */
413 	bus_space_handle_t	vr_bhandle;	/* bus space handle */
414 	bus_space_tag_t		vr_btag;	/* bus space tag */
415 	bus_dma_tag_t		sc_dmat;
416 	struct vr_type		*vr_info;	/* Rhine adapter info */
417 	struct vr_list_data	*vr_ldata;
418 	struct vr_chain_data	vr_cdata;
419 	struct mii_data		sc_mii;
420 	struct timeout		sc_to;
421 };
422 
423 /*
424  * register space access macros
425  */
426 #define CSR_WRITE_4(sc, reg, val)	\
427 	bus_space_write_4(sc->vr_btag, sc->vr_bhandle, reg, val)
428 #define CSR_WRITE_2(sc, reg, val)	\
429 	bus_space_write_2(sc->vr_btag, sc->vr_bhandle, reg, val)
430 #define CSR_WRITE_1(sc, reg, val)	\
431 	bus_space_write_1(sc->vr_btag, sc->vr_bhandle, reg, val)
432 
433 #define CSR_READ_4(sc, reg)		\
434 	bus_space_read_4(sc->vr_btag, sc->vr_bhandle, reg)
435 #define CSR_READ_2(sc, reg)		\
436 	bus_space_read_2(sc->vr_btag, sc->vr_bhandle, reg)
437 #define CSR_READ_1(sc, reg)		\
438 	bus_space_read_1(sc->vr_btag, sc->vr_bhandle, reg)
439 
440 #define VR_TIMEOUT		1000
441 #define ETHER_ALIGN		2
442 
443 /*
444  * General constants that are fun to know.
445  *
446  * VIA vendor ID
447  */
448 #define	VIA_VENDORID			0x1106
449 
450 /*
451  * VIA Rhine device IDs.
452  */
453 #define	VIA_DEVICEID_RHINE		0x3043
454 #define VIA_DEVICEID_RHINE_II		0x6100
455 #define VIA_DEVICEID_RHINE_II_2		0x3065
456 
457 /*
458  * Delta Electronics device ID.
459  */
460 #define DELTA_VENDORID			0x1500
461 
462 /*
463  * Delta device IDs.
464  */
465 #define DELTA_DEVICEID_RHINE_II		0x1320
466 
467 /*
468  * Addtron vendor ID.
469  */
470 #define ADDTRON_VENDORID		0x4033
471 
472 /*
473  * Addtron device IDs.
474  */
475 #define ADDTRON_DEVICEID_RHINE_II	0x1320
476 
477 
478 /*
479  * PCI low memory base and low I/O base register, and
480  * other PCI registers.
481  */
482 
483 #define VR_PCI_VENDOR_ID	0x00
484 #define VR_PCI_DEVICE_ID	0x02
485 #define VR_PCI_COMMAND		0x04
486 #define VR_PCI_STATUS		0x06
487 #define VR_PCI_CLASSCODE	0x09
488 #define VR_PCI_LATENCY_TIMER	0x0D
489 #define VR_PCI_HEADER_TYPE	0x0E
490 #define VR_PCI_LOIO		0x10
491 #define VR_PCI_LOMEM		0x14
492 #define VR_PCI_BIOSROM		0x30
493 #define VR_PCI_INTLINE		0x3C
494 #define VR_PCI_INTPIN		0x3D
495 #define VR_PCI_MINGNT		0x3E
496 #define VR_PCI_MINLAT		0x0F
497 #define VR_PCI_RESETOPT		0x48
498 #define VR_PCI_EEPROM_DATA	0x4C
499 
500 /* power management registers */
501 #define VR_PCI_CAPID		0xDC /* 8 bits */
502 #define VR_PCI_NEXTPTR		0xDD /* 8 bits */
503 #define VR_PCI_PWRMGMTCAP	0xDE /* 16 bits */
504 #define VR_PCI_PWRMGMTCTRL	0xE0 /* 16 bits */
505 
506 #define VR_PSTATE_MASK		0x0003
507 #define VR_PSTATE_D0		0x0000
508 #define VR_PSTATE_D1		0x0002
509 #define VR_PSTATE_D2		0x0002
510 #define VR_PSTATE_D3		0x0003
511 #define VR_PME_EN		0x0010
512 #define VR_PME_STATUS		0x8000
513 
514 #ifndef ETHER_CRC_LEN
515 #define ETHER_CRC_LEN 4
516 #endif
517 
518 #ifdef __alpha__
519 #undef vtophys
520 #define vtophys(va)		alpha_XXX_dmamap((vm_offset_t)va)
521 #endif
522