if_vrreg.h revision 1.1
1/*
2 * Copyright (c) 1997, 1998
3 *	Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by Bill Paul.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
31 *
32 *	$Id: if_vrreg.h,v 1.1 1999/01/21 11:55:22 sakamoto Exp $
33 */
34
35/*
36 * Rhine register definitions.
37 */
38
39#define VR_PAR0			0x00	/* node address 0 to 4 */
40#define VR_PAR1			0x04	/* node address 2 to 6 */
41#define VR_RXCFG		0x06	/* receiver config register */
42#define VR_TXCFG		0x07	/* transmit config register */
43#define VR_COMMAND		0x08	/* command register */
44#define VR_ISR			0x0C	/* interrupt/status register */
45#define VR_IMR			0x0E	/* interrupt mask register */
46#define VR_MAR0			0x10	/* multicast hash 0 */
47#define VR_MAR1			0x14	/* multicast hash 1 */
48#define VR_RXADDR		0x18	/* rx descriptor list start addr */
49#define VR_TXADDR		0x1C	/* tx descriptor list start addr */
50#define VR_CURRXDESC0		0x20
51#define VR_CURRXDESC1		0x24
52#define VR_CURRXDESC2		0x28
53#define VR_CURRXDESC3		0x2C
54#define VR_NEXTRXDESC0		0x30
55#define VR_NEXTRXDESC1		0x34
56#define VR_NEXTRXDESC2		0x38
57#define VR_NEXTRXDESC3		0x3C
58#define VR_CURTXDESC0		0x40
59#define VR_CURTXDESC1		0x44
60#define VR_CURTXDESC2		0x48
61#define VR_CURTXDESC3		0x4C
62#define VR_NEXTTXDESC0		0x50
63#define VR_NEXTTXDESC1		0x54
64#define VR_NEXTTXDESC2		0x58
65#define VR_NEXTTXDESC3		0x5C
66#define VR_CURRXDMA		0x60	/* current RX DMA address */
67#define VR_CURTXDMA		0x64	/* current TX DMA address */
68#define VR_TALLYCNT		0x68	/* tally counter test register */
69#define VR_PHYADDR		0x6C
70#define VR_MIISTAT		0x6D
71#define VR_BCR0			0x6E
72#define VR_BCR1			0x6F
73#define VR_MIICMD		0x70
74#define VR_MIIADDR		0x71
75#define VR_MIIDATA		0x72
76#define VR_EECSR		0x74
77#define VR_TEST			0x75
78#define VR_GPIO			0x76
79#define VR_CONFIG		0x78
80#define VR_MPA_CNT		0x7C
81#define VR_CRC_CNT		0x7E
82
83/*
84 * RX config bits.
85 */
86#define VR_RXCFG_RX_ERRPKTS	0x01
87#define VR_RXCFG_RX_RUNT	0x02
88#define VR_RXCFG_RX_MULTI	0x04
89#define VR_RXCFG_RX_BROAD	0x08
90#define VR_RXCFG_RX_PROMISC	0x10
91#define VR_RXCFG_RX_THRESH	0xE0
92
93#define VR_RXTHRESH_32BYTES	0x00
94#define VR_RXTHRESH_64BYTES	0x20
95#define VR_RXTHRESH_128BYTES	0x40
96#define VR_RXTHRESH_256BYTES	0x60
97#define VR_RXTHRESH_512BYTES	0x80
98#define VR_RXTHRESH_768BYTES	0xA0
99#define VR_RXTHRESH_1024BYTES	0xC0
100#define VR_RXTHRESH_STORENFWD	0xE0
101
102/*
103 * TX config bits.
104 */
105#define VR_TXCFG_RSVD0		0x01
106#define VR_TXCFG_LOOPBKMODE	0x06
107#define VR_TXCFG_BACKOFF	0x08
108#define VR_TXCFG_RSVD1		0x10
109#define VR_TXCFG_TX_THRESH	0xE0
110
111#define VR_TXTHRESH_32BYTES	0x00
112#define VR_TXTHRESH_64BYTES	0x20
113#define VR_TXTHRESH_128BYTES	0x40
114#define VR_TXTHRESH_256BYTES	0x60
115#define VR_TXTHRESH_512BYTES	0x80
116#define VR_TXTHRESH_768BYTES	0xA0
117#define VR_TXTHRESH_1024BYTES	0xC0
118#define VR_TXTHRESH_STORENFWD	0xE0
119
120/*
121 * Command register bits.
122 */
123#define VR_CMD_INIT		0x0001
124#define VR_CMD_START		0x0002
125#define VR_CMD_STOP		0x0004
126#define VR_CMD_RX_ON		0x0008
127#define VR_CMD_TX_ON		0x0010
128#define	VR_CMD_TX_GO		0x0020
129#define VR_CMD_RX_GO		0x0040
130#define VR_CMD_RSVD		0x0080
131#define VR_CMD_RX_EARLY		0x0100
132#define VR_CMD_TX_EARLY		0x0200
133#define VR_CMD_FULLDUPLEX	0x0400
134#define VR_CMD_TX_NOPOLL	0x0800
135
136#define VR_CMD_RESET		0x8000
137
138/*
139 * Interrupt status bits.
140 */
141#define VR_ISR_RX_OK		0x0001	/* packet rx ok */
142#define VR_ISR_TX_OK		0x0002	/* packet tx ok */
143#define VR_ISR_RX_ERR		0x0004	/* packet rx with err */
144#define VR_ISR_TX_ABRT		0x0008	/* tx aborted due to excess colls */
145#define VR_ISR_TX_UNDERRUN	0x0010	/* tx buffer underflow */
146#define VR_ISR_RX_NOBUF		0x0020	/* no rx buffer available */
147#define VR_ISR_BUSERR		0x0040	/* PCI bus error */
148#define VR_ISR_STATSOFLOW	0x0080	/* stats counter oflow */
149#define VR_ISR_RX_EARLY		0x0100	/* rx early */
150#define VR_ISR_LINKSTAT		0x0200	/* MII status change */
151#define VR_ISR_RX_OFLOW		0x0400	/* rx FIFO overflow */
152#define VR_ISR_RX_DROPPED	0x0800
153#define VR_ISR_RX_NOBUF2	0x1000
154#define VR_ISR_TX_ABRT2		0x2000
155#define VR_ISR_LINKSTAT2	0x4000
156#define VR_ISR_MAGICPACKET	0x8000
157
158/*
159 * Interrupt mask bits.
160 */
161#define VR_IMR_RX_OK		0x0001	/* packet rx ok */
162#define VR_IMR_TX_OK		0x0002	/* packet tx ok */
163#define VR_IMR_RX_ERR		0x0004	/* packet rx with err */
164#define VR_IMR_TX_ABRT		0x0008	/* tx aborted due to excess colls */
165#define VR_IMR_TX_UNDERRUN	0x0010	/* tx buffer underflow */
166#define VR_IMR_RX_NOBUF		0x0020	/* no rx buffer available */
167#define VR_IMR_BUSERR		0x0040	/* PCI bus error */
168#define VR_IMR_STATSOFLOW	0x0080	/* stats counter oflow */
169#define VR_IMR_RX_EARLY		0x0100	/* rx early */
170#define VR_IMR_LINKSTAT		0x0200	/* MII status change */
171#define VR_IMR_RX_OFLOW		0x0400	/* rx FIFO overflow */
172#define VR_IMR_RX_DROPPED	0x0800
173#define VR_IMR_RX_NOBUF2	0x1000
174#define VR_IMR_TX_ABRT2		0x2000
175#define VR_IMR_LINKSTAT2	0x4000
176#define VR_IMR_MAGICPACKET	0x8000
177
178#define VR_INTRS							\
179	(VR_IMR_RX_OK|VR_IMR_TX_OK|VR_IMR_RX_NOBUF|			\
180	VR_IMR_TX_ABRT|VR_IMR_TX_UNDERRUN|VR_IMR_BUSERR|		\
181	VR_IMR_RX_ERR|VR_ISR_RX_DROPPED)
182
183/*
184 * MII status register.
185 */
186
187#define VR_MIISTAT_SPEED	0x01
188#define VR_MIISTAT_LINKFAULT	0x02
189#define VR_MIISTAT_MGTREADERR	0x04
190#define VR_MIISTAT_MIIERR	0x08
191#define VR_MIISTAT_PHYOPT	0x10
192#define VR_MIISTAT_MDC_SPEED	0x20
193#define VR_MIISTAT_RSVD		0x40
194#define VR_MIISTAT_GPIO1POLL	0x80
195
196/*
197 * MII command register bits.
198 */
199#define VR_MIICMD_CLK		0x01
200#define VR_MIICMD_DATAOUT	0x02
201#define VR_MIICMD_DATAIN	0x04
202#define VR_MIICMD_DIR		0x08
203#define VR_MIICMD_DIRECTPGM	0x10
204#define VR_MIICMD_WRITE_ENB	0x20
205#define VR_MIICMD_READ_ENB	0x40
206#define VR_MIICMD_AUTOPOLL	0x80
207
208/*
209 * EEPROM control bits.
210 */
211#define VR_EECSR_DATAIN		0x01	/* data out */
212#define VR_EECSR_DATAOUT	0x02	/* data in */
213#define VR_EECSR_CLK		0x04	/* clock */
214#define VR_EECSR_CS		0x08	/* chip select */
215#define VR_EECSR_DPM		0x10
216#define VR_EECSR_LOAD		0x20
217#define VR_EECSR_EMBP		0x40
218#define VR_EECSR_EEPR		0x80
219
220#define VR_EECMD_WRITE		0x140
221#define VR_EECMD_READ		0x180
222#define VR_EECMD_ERASE		0x1c0
223
224/*
225 * Test register bits.
226 */
227#define VR_TEST_TEST0		0x01
228#define VR_TEST_TEST1		0x02
229#define VR_TEST_TEST2		0x04
230#define VR_TEST_TSTUD		0x08
231#define VR_TEST_TSTOV		0x10
232#define VR_TEST_BKOFF		0x20
233#define VR_TEST_FCOL		0x40
234#define VR_TEST_HBDES		0x80
235
236/*
237 * Config register bits.
238 */
239#define VR_CFG_GPIO2OUTENB	0x00000001
240#define VR_CFG_GPIO2OUT		0x00000002	/* gen. purp. pin */
241#define VR_CFG_GPIO2IN		0x00000004	/* gen. purp. pin */
242#define VR_CFG_AUTOOPT		0x00000008	/* enable rx/tx autopoll */
243#define VR_CFG_MIIOPT		0x00000010
244#define VR_CFG_MMIENB		0x00000020	/* memory mapped mode enb */
245#define VR_CFG_JUMPER		0x00000040	/* PHY and oper. mode select */
246#define VR_CFG_EELOAD		0x00000080	/* enable EEPROM programming */
247#define VR_CFG_LATMENB		0x00000100	/* larency timer effect enb. */
248#define VR_CFG_MRREADWAIT	0x00000200
249#define VR_CFG_MRWRITEWAIT	0x00000400
250#define VR_CFG_RX_ARB		0x00000800
251#define VR_CFG_TX_ARB		0x00001000
252#define VR_CFG_READMULTI	0x00002000
253#define VR_CFG_TX_PACE		0x00004000
254#define VR_CFG_TX_QDIS		0x00008000
255#define VR_CFG_ROMSEL0		0x00010000
256#define VR_CFG_ROMSEL1		0x00020000
257#define VR_CFG_ROMSEL2		0x00040000
258#define VR_CFG_ROMTIMESEL	0x00080000
259#define VR_CFG_RSVD0		0x00100000
260#define VR_CFG_ROMDLY		0x00200000
261#define VR_CFG_ROMOPT		0x00400000
262#define VR_CFG_RSVD1		0x00800000
263#define VR_CFG_BACKOFFOPT	0x01000000
264#define VR_CFG_BACKOFFMOD	0x02000000
265#define VR_CFG_CAPEFFECT	0x04000000
266#define VR_CFG_BACKOFFRAND	0x08000000
267#define VR_CFG_MAGICKPACKET	0x10000000
268#define VR_CFG_PCIREADLINE	0x20000000
269#define VR_CFG_DIAG		0x40000000
270#define VR_CFG_GPIOEN		0x80000000
271
272/*
273 * Rhine TX/RX list structure.
274 */
275
276struct vr_desc {
277	u_int32_t		vr_status;
278	u_int32_t		vr_ctl;
279	u_int32_t		vr_ptr1;
280	u_int32_t		vr_ptr2;
281};
282
283#define vr_data		vr_ptr1
284#define vr_next		vr_ptr2
285
286
287#define VR_RXSTAT_RXERR		0x00000001
288#define VR_RXSTAT_CRCERR	0x00000002
289#define VR_RXSTAT_FRAMEALIGNERR	0x00000004
290#define VR_RXSTAT_FIFOOFLOW	0x00000008
291#define VR_RXSTAT_GIANT		0x00000010
292#define VR_RXSTAT_RUNT		0x00000020
293#define VR_RXSTAT_BUSERR	0x00000040
294#define VR_RXSTAT_BUFFERR	0x00000080
295#define VR_RXSTAT_LASTFRAG	0x00000100
296#define VR_RXSTAT_FIRSTFRAG	0x00000200
297#define VR_RXSTAT_RLINK		0x00000400
298#define VR_RXSTAT_RX_PHYS	0x00000800
299#define VR_RXSTAT_RX_BROAD	0x00001000
300#define VR_RXSTAT_RX_MULTI	0x00002000
301#define VR_RXSTAT_RX_OK		0x00004000
302#define VR_RXSTAT_RXLEN		0x07FF0000
303#define VR_RXSTAT_RXLEN_EXT	0x78000000
304#define VR_RXSTAT_OWN		0x80000000
305
306#define VR_RXBYTES(x)		((x & VR_RXSTAT_RXLEN) >> 16)
307#define VR_RXSTAT (VR_RXSTAT_FIRSTFRAG|VR_RXSTAT_LASTFRAG|VR_RXSTAT_OWN)
308
309#define VR_RXCTL_BUFLEN		0x000007FF
310#define VR_RXCTL_BUFLEN_EXT	0x00007800
311#define VR_RXCTL_CHAIN		0x00008000
312#define VR_RXCTL_RX_INTR	0x00800000
313
314#define VR_RXCTL (VR_RXCTL_CHAIN|VR_RXCTL_RX_INTR)
315
316#define VR_TXSTAT_DEFER		0x00000001
317#define VR_TXSTAT_UNDERRUN	0x00000002
318#define VR_TXSTAT_COLLCNT	0x00000078
319#define VR_TXSTAT_SQE		0x00000080
320#define VR_TXSTAT_ABRT		0x00000100
321#define VR_TXSTAT_LATECOLL	0x00000200
322#define VR_TXSTAT_CARRLOST	0x00000400
323#define VR_TXSTAT_BUSERR	0x00002000
324#define VR_TXSTAT_JABTIMEO	0x00004000
325#define VR_TXSTAT_ERRSUM	0x00008000
326#define VR_TXSTAT_OWN		0x80000000
327
328#define VR_TXCTL_BUFLEN		0x000007FF
329#define VR_TXCTL_BUFLEN_EXT	0x00007800
330#define VR_TXCTL_TLINK		0x00008000
331#define VR_TXCTL_FIRSTFRAG	0x00200000
332#define VR_TXCTL_LASTFRAG	0x00400000
333#define VR_TXCTL_FINT		0x00800000
334
335
336#define VR_MAXFRAGS		16
337#define VR_RX_LIST_CNT		64
338#define VR_TX_LIST_CNT		64
339#define VR_MIN_FRAMELEN		60
340#define VR_FRAMELEN		1536
341#define VR_RXLEN		1520
342
343#define VR_TXOWN(x)		x->vr_ptr->vr_status
344
345struct vr_list_data {
346	struct vr_desc		vr_rx_list[VR_RX_LIST_CNT];
347	struct vr_desc		vr_tx_list[VR_TX_LIST_CNT];
348};
349
350struct vr_chain {
351	struct vr_desc		*vr_ptr;
352	struct mbuf		*vr_mbuf;
353	struct vr_chain		*vr_nextdesc;
354};
355
356struct vr_chain_onefrag {
357	struct vr_desc		*vr_ptr;
358	struct mbuf		*vr_mbuf;
359	struct vr_chain_onefrag	*vr_nextdesc;
360};
361
362struct vr_chain_data {
363	struct vr_chain_onefrag	vr_rx_chain[VR_RX_LIST_CNT];
364	struct vr_chain		vr_tx_chain[VR_TX_LIST_CNT];
365
366	struct vr_chain_onefrag	*vr_rx_head;
367
368	struct vr_chain		*vr_tx_head;
369	struct vr_chain		*vr_tx_tail;
370	struct vr_chain		*vr_tx_free;
371};
372
373struct vr_type {
374	u_int16_t		vr_vid;
375	u_int16_t		vr_did;
376	char			*vr_name;
377};
378
379struct vr_mii_frame {
380	u_int8_t		mii_stdelim;
381	u_int8_t		mii_opcode;
382	u_int8_t		mii_phyaddr;
383	u_int8_t		mii_regaddr;
384	u_int8_t		mii_turnaround;
385	u_int16_t		mii_data;
386};
387
388/*
389 * MII constants
390 */
391#define VR_MII_STARTDELIM	0x01
392#define VR_MII_READOP		0x02
393#define VR_MII_WRITEOP		0x01
394#define VR_MII_TURNAROUND	0x02
395
396#define VR_FLAG_FORCEDELAY	1
397#define VR_FLAG_SCHEDDELAY	2
398#define VR_FLAG_DELAYTIMEO	3
399
400struct vr_softc {
401	struct arpcom		arpcom;		/* interface info */
402	struct ifmedia		ifmedia;	/* media info */
403	bus_space_handle_t	vr_bhandle;	/* bus space handle */
404	bus_space_tag_t		vr_btag;	/* bus space tag */
405	struct vr_type		*vr_info;	/* Rhine adapter info */
406	struct vr_type		*vr_pinfo;	/* phy info */
407	u_int8_t		vr_unit;	/* interface number */
408	u_int8_t		vr_type;
409	u_int8_t		vr_phy_addr;	/* PHY address */
410	u_int8_t		vr_tx_pend;	/* TX pending */
411	u_int8_t		vr_want_auto;
412	u_int8_t		vr_autoneg;
413	caddr_t			vr_ldata_ptr;
414	struct vr_list_data	*vr_ldata;
415	struct vr_chain_data	vr_cdata;
416};
417
418/*
419 * register space access macros
420 */
421#define CSR_WRITE_4(sc, reg, val)	\
422	bus_space_write_4(sc->vr_btag, sc->vr_bhandle, reg, val)
423#define CSR_WRITE_2(sc, reg, val)	\
424	bus_space_write_2(sc->vr_btag, sc->vr_bhandle, reg, val)
425#define CSR_WRITE_1(sc, reg, val)	\
426	bus_space_write_1(sc->vr_btag, sc->vr_bhandle, reg, val)
427
428#define CSR_READ_4(sc, reg)		\
429	bus_space_read_4(sc->vr_btag, sc->vr_bhandle, reg)
430#define CSR_READ_2(sc, reg)		\
431	bus_space_read_2(sc->vr_btag, sc->vr_bhandle, reg)
432#define CSR_READ_1(sc, reg)		\
433	bus_space_read_1(sc->vr_btag, sc->vr_bhandle, reg)
434
435#define VR_TIMEOUT		1000
436
437/*
438 * General constants that are fun to know.
439 *
440 * VIA vendor ID
441 */
442#define	VIA_VENDORID		0x1106
443
444/*
445 * VIA Rhine device IDs.
446 */
447#define	VIA_DEVICEID_RHINE	0x3043
448#define VIA_DEVICEID_RHINE_II	0x6100
449
450
451/*
452 * Texas Instruments PHY identifiers
453 */
454#define TI_PHY_VENDORID		0x4000
455#define TI_PHY_10BT		0x501F
456#define TI_PHY_100VGPMI		0x502F
457
458/*
459 * These ID values are for the NS DP83840A 10/100 PHY
460 */
461#define NS_PHY_VENDORID		0x2000
462#define NS_PHY_83840A		0x5C0F
463
464/*
465 * Level 1 10/100 PHY
466 */
467#define LEVEL1_PHY_VENDORID	0x7810
468#define LEVEL1_PHY_LXT970	0x000F
469
470/*
471 * Intel 82555 10/100 PHY
472 */
473#define INTEL_PHY_VENDORID	0x0A28
474#define INTEL_PHY_82555		0x015F
475
476/*
477 * SEEQ 80220 10/100 PHY
478 */
479#define SEEQ_PHY_VENDORID	0x0016
480#define SEEQ_PHY_80220		0xF83F
481
482
483/*
484 * PCI low memory base and low I/O base register, and
485 * other PCI registers.
486 */
487
488#define VR_PCI_VENDOR_ID	0x00
489#define VR_PCI_DEVICE_ID	0x02
490#define VR_PCI_COMMAND		0x04
491#define VR_PCI_STATUS		0x06
492#define VR_PCI_CLASSCODE	0x09
493#define VR_PCI_LATENCY_TIMER	0x0D
494#define VR_PCI_HEADER_TYPE	0x0E
495#define VR_PCI_LOIO		0x10
496#define VR_PCI_LOMEM		0x14
497#define VR_PCI_BIOSROM		0x30
498#define VR_PCI_INTLINE		0x3C
499#define VR_PCI_INTPIN		0x3D
500#define VR_PCI_MINGNT		0x3E
501#define VR_PCI_MINLAT		0x0F
502#define VR_PCI_RESETOPT		0x48
503#define VR_PCI_EEPROM_DATA	0x4C
504
505/* power management registers */
506#define VR_PCI_CAPID		0xDC /* 8 bits */
507#define VR_PCI_NEXTPTR		0xDD /* 8 bits */
508#define VR_PCI_PWRMGMTCAP	0xDE /* 16 bits */
509#define VR_PCI_PWRMGMTCTRL	0xE0 /* 16 bits */
510
511#define VR_PSTATE_MASK		0x0003
512#define VR_PSTATE_D0		0x0000
513#define VR_PSTATE_D1		0x0002
514#define VR_PSTATE_D2		0x0002
515#define VR_PSTATE_D3		0x0003
516#define VR_PME_EN		0x0010
517#define VR_PME_STATUS		0x8000
518
519#define PHY_UNKNOWN		6
520
521#define VR_PHYADDR_MIN		0x00
522#define VR_PHYADDR_MAX		0x1F
523
524#define PHY_BMCR		0x00
525#define PHY_BMSR		0x01
526#define PHY_VENID		0x02
527#define PHY_DEVID		0x03
528#define PHY_ANAR		0x04
529#define PHY_LPAR		0x05
530#define PHY_ANEXP		0x06
531
532#define PHY_ANAR_NEXTPAGE	0x8000
533#define PHY_ANAR_RSVD0		0x4000
534#define PHY_ANAR_TLRFLT		0x2000
535#define PHY_ANAR_RSVD1		0x1000
536#define PHY_ANAR_RSVD2		0x0800
537#define PHY_ANAR_RSVD3		0x0400
538#define PHY_ANAR_100BT4		0x0200
539#define PHY_ANAR_100BTXFULL	0x0100
540#define PHY_ANAR_100BTXHALF	0x0080
541#define PHY_ANAR_10BTFULL	0x0040
542#define PHY_ANAR_10BTHALF	0x0020
543#define PHY_ANAR_PROTO4		0x0010
544#define PHY_ANAR_PROTO3		0x0008
545#define PHY_ANAR_PROTO2		0x0004
546#define PHY_ANAR_PROTO1		0x0002
547#define PHY_ANAR_PROTO0		0x0001
548
549/*
550 * These are the register definitions for the PHY (physical layer
551 * interface chip).
552 */
553/*
554 * PHY BMCR Basic Mode Control Register
555 */
556#define PHY_BMCR_RESET			0x8000
557#define PHY_BMCR_LOOPBK			0x4000
558#define PHY_BMCR_SPEEDSEL		0x2000
559#define PHY_BMCR_AUTONEGENBL		0x1000
560#define PHY_BMCR_RSVD0			0x0800	/* write as zero */
561#define PHY_BMCR_ISOLATE		0x0400
562#define PHY_BMCR_AUTONEGRSTR		0x0200
563#define PHY_BMCR_DUPLEX			0x0100
564#define PHY_BMCR_COLLTEST		0x0080
565#define PHY_BMCR_RSVD1			0x0040	/* write as zero, don't care */
566#define PHY_BMCR_RSVD2			0x0020	/* write as zero, don't care */
567#define PHY_BMCR_RSVD3			0x0010	/* write as zero, don't care */
568#define PHY_BMCR_RSVD4			0x0008	/* write as zero, don't care */
569#define PHY_BMCR_RSVD5			0x0004	/* write as zero, don't care */
570#define PHY_BMCR_RSVD6			0x0002	/* write as zero, don't care */
571#define PHY_BMCR_RSVD7			0x0001	/* write as zero, don't care */
572/*
573 * RESET: 1 == software reset, 0 == normal operation
574 * Resets status and control registers to default values.
575 * Relatches all hardware config values.
576 *
577 * LOOPBK: 1 == loopback operation enabled, 0 == normal operation
578 *
579 * SPEEDSEL: 1 == 100Mb/s, 0 == 10Mb/s
580 * Link speed is selected byt his bit or if auto-negotiation if bit
581 * 12 (AUTONEGENBL) is set (in which case the value of this register
582 * is ignored).
583 *
584 * AUTONEGENBL: 1 == Autonegotiation enabled, 0 == Autonegotiation disabled
585 * Bits 8 and 13 are ignored when autoneg is set, otherwise bits 8 and 13
586 * determine speed and mode. Should be cleared and then set if PHY configured
587 * for no autoneg on startup.
588 *
589 * ISOLATE: 1 == isolate PHY from MII, 0 == normal operation
590 *
591 * AUTONEGRSTR: 1 == restart autonegotiation, 0 = normal operation
592 *
593 * DUPLEX: 1 == full duplex mode, 0 == half duplex mode
594 *
595 * COLLTEST: 1 == collision test enabled, 0 == normal operation
596 */
597
598/*
599 * PHY, BMSR Basic Mode Status Register
600 */
601#define PHY_BMSR_100BT4			0x8000
602#define PHY_BMSR_100BTXFULL		0x4000
603#define PHY_BMSR_100BTXHALF		0x2000
604#define PHY_BMSR_10BTFULL		0x1000
605#define PHY_BMSR_10BTHALF		0x0800
606#define PHY_BMSR_RSVD1			0x0400	/* write as zero, don't care */
607#define PHY_BMSR_RSVD2			0x0200	/* write as zero, don't care */
608#define PHY_BMSR_RSVD3			0x0100	/* write as zero, don't care */
609#define PHY_BMSR_RSVD4			0x0080	/* write as zero, don't care */
610#define PHY_BMSR_MFPRESUP		0x0040
611#define PHY_BMSR_AUTONEGCOMP		0x0020
612#define PHY_BMSR_REMFAULT		0x0010
613#define PHY_BMSR_CANAUTONEG		0x0008
614#define PHY_BMSR_LINKSTAT		0x0004
615#define PHY_BMSR_JABBER			0x0002
616#define PHY_BMSR_EXTENDED		0x0001
617