xref: /netbsd-src/sys/dev/pci/if_vrreg.h (revision 3dd95c0733c39e95975b1508b5545da7ba2daa69)
1 /*	$NetBSD: if_vrreg.h,v 1.17 2018/02/28 17:13:44 flxd 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: if_vrreg.h,v 1.2 1999/01/10 18:51:49 wpaul Exp $
35  */
36 
37 /*
38  * Rhine register definitions.
39  */
40 
41 #define	VR_PAR0			0x00	/* node address 0 */
42 #define	VR_PAR1			0x01	/* node address 1 */
43 #define	VR_PAR2			0x02	/* node address 2 */
44 #define	VR_PAR3			0x03	/* node address 3 */
45 #define	VR_PAR4			0x04	/* node address 4 */
46 #define	VR_PAR5			0x05	/* node address 5 */
47 #define	VR_RXCFG		0x06	/* receiver config register */
48 #define	VR_TXCFG		0x07	/* transmit config register */
49 #define	VR_COMMAND		0x08	/* command register */
50 #define	VR_ISR			0x0C	/* interrupt/status register */
51 #define	VR_IMR			0x0E	/* interrupt mask register */
52 #define	VR_MAR0			0x10	/* multicast hash 0 */
53 #define	VR_MAR1			0x14	/* multicast hash 1 */
54 #define	VR_RXADDR		0x18	/* rx descriptor list start addr */
55 #define	VR_TXADDR		0x1C	/* tx descriptor list start addr */
56 #define	VR_CURRXDESC0		0x20
57 #define	VR_CURRXDESC1		0x24
58 #define	VR_CURRXDESC2		0x28
59 #define	VR_CURRXDESC3		0x2C
60 #define	VR_NEXTRXDESC0		0x30
61 #define	VR_NEXTRXDESC1		0x34
62 #define	VR_NEXTRXDESC2		0x38
63 #define	VR_NEXTRXDESC3		0x3C
64 #define	VR_CURTXDESC0		0x40
65 #define	VR_CURTXDESC1		0x44
66 #define	VR_CURTXDESC2		0x48
67 #define	VR_CURTXDESC3		0x4C
68 #define	VR_NEXTTXDESC0		0x50
69 #define	VR_NEXTTXDESC1		0x54
70 #define	VR_NEXTTXDESC2		0x58
71 #define	VR_NEXTTXDESC3		0x5C
72 #define	VR_CURRXDMA		0x60	/* current RX DMA address */
73 #define	VR_CURTXDMA		0x64	/* current TX DMA address */
74 #define	VR_TALLYCNT		0x68	/* tally counter test register */
75 #define	VR_PHYADDR		0x6C
76 #define	VR_MIISTAT		0x6D
77 #define	VR_BCR0			0x6E
78 #define	VR_BCR1			0x6F
79 #define	VR_MIICMD		0x70
80 #define	VR_MIIADDR		0x71
81 #define	VR_MIIDATA		0x72
82 #define	VR_EECSR		0x74
83 #define	VR_TEST			0x75
84 #define	VR_GPIO			0x76
85 #define	VR_CONFIG		0x78
86 #define	VR_MPA_CNT		0x7C
87 #define	VR_CRC_CNT		0x7E
88 #define VR_STICKHW		0x83
89 
90 /* Misc Registers */
91 #define VR_MISC_CR1		0x81
92 #define VR_MISCCR1_FORSRST	0x40
93 
94 /*
95  * RX config bits.
96  */
97 #define	VR_RXCFG_RX_ERRPKTS	0x01
98 #define	VR_RXCFG_RX_RUNT	0x02
99 #define	VR_RXCFG_RX_MULTI	0x04
100 #define	VR_RXCFG_RX_BROAD	0x08
101 #define	VR_RXCFG_RX_PROMISC	0x10
102 #define	VR_RXCFG_RX_THRESH	0xE0
103 
104 #define	VR_RXTHRESH_32BYTES	0x00
105 #define	VR_RXTHRESH_64BYTES	0x20
106 #define	VR_RXTHRESH_128BYTES	0x40
107 #define	VR_RXTHRESH_256BYTES	0x60
108 #define	VR_RXTHRESH_512BYTES	0x80
109 #define	VR_RXTHRESH_768BYTES	0xA0
110 #define	VR_RXTHRESH_1024BYTES	0xC0
111 #define	VR_RXTHRESH_STORENFWD	0xE0
112 
113 /*
114  * TX config bits.
115  */
116 #define	VR_TXCFG_RSVD0		0x01
117 #define	VR_TXCFG_LOOPBKMODE	0x06
118 #define	VR_TXCFG_BACKOFF	0x08
119 #define	VR_TXCFG_RSVD1		0x10
120 #define	VR_TXCFG_TX_THRESH	0xE0
121 
122 #define	VR_TXTHRESH_32BYTES	0x00
123 #define	VR_TXTHRESH_64BYTES	0x20
124 #define	VR_TXTHRESH_128BYTES	0x40
125 #define	VR_TXTHRESH_256BYTES	0x60
126 #define	VR_TXTHRESH_512BYTES	0x80
127 #define	VR_TXTHRESH_768BYTES	0xA0
128 #define	VR_TXTHRESH_1024BYTES	0xC0
129 #define	VR_TXTHRESH_STORENFWD	0xE0
130 
131 /*
132  * Command register bits.
133  */
134 #define	VR_CMD_INIT		0x0001
135 #define	VR_CMD_START		0x0002
136 #define	VR_CMD_STOP		0x0004
137 #define	VR_CMD_RX_ON		0x0008
138 #define	VR_CMD_TX_ON		0x0010
139 #define	VR_CMD_TX_GO		0x0020
140 #define	VR_CMD_RX_GO		0x0040
141 #define	VR_CMD_RSVD		0x0080
142 #define	VR_CMD_RX_EARLY		0x0100
143 #define	VR_CMD_TX_EARLY		0x0200
144 #define	VR_CMD_FULLDUPLEX	0x0400
145 #define	VR_CMD_TX_NOPOLL	0x0800
146 
147 #define	VR_CMD_RESET		0x8000
148 
149 /*
150  * Interrupt status bits.
151  */
152 #define	VR_ISR_RX_OK		0x0001	/* packet rx ok */
153 #define	VR_ISR_TX_OK		0x0002	/* packet tx ok */
154 #define	VR_ISR_RX_ERR		0x0004	/* packet rx with err */
155 #define	VR_ISR_TX_ABRT		0x0008	/* tx aborted due to excess colls */
156 #define	VR_ISR_TX_UNDERRUN	0x0010	/* tx buffer underflow */
157 #define	VR_ISR_RX_NOBUF		0x0020	/* no rx buffer available */
158 #define	VR_ISR_BUSERR		0x0040	/* PCI bus error */
159 #define	VR_ISR_STATSOFLOW	0x0080	/* stats counter oflow */
160 #define	VR_ISR_RX_EARLY		0x0100	/* rx early */
161 #define	VR_ISR_LINKSTAT		0x0200	/* MII status change */
162 #define	VR_ISR_TX_ETI		0x0200	/* TX early (3043/3071) */
163 #define	VR_ISR_TX_UDFI		0x0200	/* TX FIFO underflow (3065) */
164 #define	VR_ISR_RX_OFLOW		0x0400	/* rx FIFO overflow */
165 #define	VR_ISR_RX_DROPPED	0x0800
166 #define	VR_ISR_RX_NOBUF2	0x1000
167 #define	VR_ISR_TX_ABRT2		0x2000
168 #define	VR_ISR_LINKSTAT2	0x4000
169 #define	VR_ISR_MAGICPACKET	0x8000
170 
171 /*
172  * Interrupt mask bits.
173  */
174 #define	VR_IMR_RX_OK		0x0001	/* packet rx ok */
175 #define	VR_IMR_TX_OK		0x0002	/* packet tx ok */
176 #define	VR_IMR_RX_ERR		0x0004	/* packet rx with err */
177 #define	VR_IMR_TX_ABRT		0x0008	/* tx aborted due to excess colls */
178 #define	VR_IMR_TX_UNDERRUN	0x0010	/* tx buffer underflow */
179 #define	VR_IMR_RX_NOBUF		0x0020	/* no rx buffer available */
180 #define	VR_IMR_BUSERR		0x0040	/* PCI bus error */
181 #define	VR_IMR_STATSOFLOW	0x0080	/* stats counter oflow */
182 #define	VR_IMR_RX_EARLY		0x0100	/* rx early */
183 #define	VR_IMR_LINKSTAT		0x0200	/* MII status change */
184 #define	VR_IMR_RX_OFLOW		0x0400	/* rx FIFO overflow */
185 #define	VR_IMR_RX_DROPPED	0x0800
186 #define	VR_IMR_RX_NOBUF2	0x1000
187 #define	VR_IMR_TX_ABRT2		0x2000
188 #define	VR_IMR_LINKSTAT2	0x4000
189 #define	VR_IMR_MAGICPACKET	0x8000
190 
191 #define	VR_INTRS							\
192 	(VR_IMR_RX_OK|VR_IMR_TX_OK|VR_IMR_RX_NOBUF|			\
193 	VR_IMR_TX_ABRT|VR_IMR_TX_UNDERRUN|VR_IMR_BUSERR|		\
194 	VR_IMR_RX_ERR|VR_ISR_RX_DROPPED)
195 
196 /*
197  * MII status register.
198  */
199 
200 #define	VR_MIISTAT_SPEED	0x01
201 #define	VR_MIISTAT_LINKFAULT	0x02
202 #define	VR_MIISTAT_MGTREADERR	0x04
203 #define	VR_MIISTAT_MIIERR	0x08
204 #define	VR_MIISTAT_PHYOPT	0x10
205 #define	VR_MIISTAT_MDC_SPEED	0x20
206 #define	VR_MIISTAT_RSVD		0x40
207 #define	VR_MIISTAT_GPIO1POLL	0x80
208 
209 /*
210  * MII command register bits.
211  */
212 #define	VR_MIICMD_CLK		0x01
213 #define	VR_MIICMD_DATAIN	0x02
214 #define	VR_MIICMD_DATAOUT	0x04
215 #define	VR_MIICMD_DIR		0x08
216 #define	VR_MIICMD_DIRECTPGM	0x10
217 #define	VR_MIICMD_WRITE_ENB	0x20
218 #define	VR_MIICMD_READ_ENB	0x40
219 #define	VR_MIICMD_AUTOPOLL	0x80
220 
221 /*
222  * EEPROM control bits.
223  */
224 #define	VR_EECSR_DATAIN		0x01	/* data out */
225 #define	VR_EECSR_DATAOUT	0x02	/* data in */
226 #define	VR_EECSR_CLK		0x04	/* clock */
227 #define	VR_EECSR_CS		0x08	/* chip select */
228 #define	VR_EECSR_DPM		0x10
229 #define	VR_EECSR_LOAD		0x20
230 #define	VR_EECSR_EMBP		0x40
231 #define	VR_EECSR_EEPR		0x80
232 
233 #define	VR_EECMD_WRITE		0x140
234 #define	VR_EECMD_READ		0x180
235 #define	VR_EECMD_ERASE		0x1c0
236 
237 /*
238  * Test register bits.
239  */
240 #define	VR_TEST_TEST0		0x01
241 #define	VR_TEST_TEST1		0x02
242 #define	VR_TEST_TEST2		0x04
243 #define	VR_TEST_TSTUD		0x08
244 #define	VR_TEST_TSTOV		0x10
245 #define	VR_TEST_BKOFF		0x20
246 #define	VR_TEST_FCOL		0x40
247 #define	VR_TEST_HBDES		0x80
248 
249 /*
250  * Config register bits.
251  */
252 #define	VR_CFG_GPIO2OUTENB	0x00000001
253 #define	VR_CFG_GPIO2OUT		0x00000002	/* gen. purp. pin */
254 #define	VR_CFG_GPIO2IN		0x00000004	/* gen. purp. pin */
255 #define	VR_CFG_AUTOOPT		0x00000008	/* enable rx/tx autopoll */
256 #define	VR_CFG_MIIOPT		0x00000010
257 #define	VR_CFG_MMIENB		0x00000020	/* memory mapped mode enb */
258 #define	VR_CFG_JUMPER		0x00000040	/* PHY and oper. mode select */
259 #define	VR_CFG_EELOAD		0x00000080	/* enable EEPROM programming */
260 #define	VR_CFG_LATMENB		0x00000100	/* larency timer effect enb. */
261 #define	VR_CFG_MRREADWAIT	0x00000200
262 #define	VR_CFG_MRWRITEWAIT	0x00000400
263 #define	VR_CFG_RX_ARB		0x00000800
264 #define	VR_CFG_TX_ARB		0x00001000
265 #define	VR_CFG_READMULTI	0x00002000
266 #define	VR_CFG_TX_PACE		0x00004000
267 #define	VR_CFG_TX_QDIS		0x00008000
268 #define	VR_CFG_ROMSEL0		0x00010000
269 #define	VR_CFG_ROMSEL1		0x00020000
270 #define	VR_CFG_ROMSEL2		0x00040000
271 #define	VR_CFG_ROMTIMESEL	0x00080000
272 #define	VR_CFG_RSVD0		0x00100000
273 #define	VR_CFG_ROMDLY		0x00200000
274 #define	VR_CFG_ROMOPT		0x00400000
275 #define	VR_CFG_RSVD1		0x00800000
276 #define	VR_CFG_BACKOFFOPT	0x01000000
277 #define	VR_CFG_BACKOFFMOD	0x02000000
278 #define	VR_CFG_CAPEFFECT	0x04000000
279 #define	VR_CFG_BACKOFFRAND	0x08000000
280 #define	VR_CFG_MAGICKPACKET	0x10000000
281 #define	VR_CFG_PCIREADLINE	0x20000000
282 #define	VR_CFG_DIAG		0x40000000
283 #define	VR_CFG_GPIOEN		0x80000000
284 
285 /* Sticky HW bits */
286 #define VR_STICKHW_DS0		0x01
287 #define VR_STICKHW_DS1		0x02
288 #define VR_STICKHW_WOL_ENB	0x04
289 #define VR_STICKHW_WOL_STS	0x08
290 #define VR_STICKHW_LEGWOL_ENB	0x80
291 
292 /*
293  * BCR0 register bits.
294  */
295 #define VR_BCR0_DMA_LENGTH	0x07
296 #define VR_BCR0_DMA_32BYTES	0x00
297 #define VR_BCR0_DMA_64BYTES	0x01
298 #define VR_BCR0_DMA_128BYTES	0x02
299 #define VR_BCR0_DMA_256BYTES	0x03
300 #define VR_BCR0_DMA_512BYTES	0x04
301 #define VR_BCR0_DMA_1024BYTES	0x05
302 #define VR_BCR0_DMA_STORENFWD	0x07
303 
304 #define VR_BCR0_RX_THRESH	0x38
305 #define VR_BCR0_RXTH_CFG	0x00
306 #define VR_BCR0_RXTH_64BYTES	0x08
307 #define VR_BCR0_RXTH_128BYTES	0x10
308 #define VR_BCR0_RXTH_256BYTES	0x18
309 #define VR_BCR0_RXTH_512BYTES	0x20
310 #define VR_BCR0_RXTH_1024BYTES	0x28
311 #define VR_BCR0_RXTH_STORENFWD	0x38
312 
313 #define VR_BCR0_EXTLED		0x40
314 #define VR_BCR0_MED2		0x80
315 
316 /*
317  * BCR1 register bits.
318  */
319 #define VR_BCR1_POT0		0x01
320 #define VR_BCR1_POT1		0x02
321 #define VR_BCR1_POT2		0x04
322 
323 #define VR_BCR1_TX_THRESH	0x38
324 #define VR_BCR1_TXTH_CFG	0x00
325 #define VR_BCR1_TXTH_64BYTES	0x08
326 #define VR_BCR1_TXTH_128BYTES	0x10
327 #define VR_BCR1_TXTH_256BYTES	0x18
328 #define VR_BCR1_TXTH_512BYTES	0x20
329 #define VR_BCR1_TXTH_1024BYTES	0x28
330 #define VR_BCR1_TXTH_STORENFWD	0x38
331 
332 /*
333  * Rhine TX/RX list structure.
334  */
335 
336 struct vr_desc {
337 	volatile uint32_t	vr_status;
338 	volatile uint32_t	vr_ctl;
339 	volatile uint32_t	vr_ptr1;
340 	volatile uint32_t	vr_ptr2;
341 };
342 
343 #define	vr_data		vr_ptr1
344 #define	vr_next		vr_ptr2
345 
346 
347 #define	VR_RXSTAT_RXERR		0x00000001
348 #define	VR_RXSTAT_CRCERR	0x00000002
349 #define	VR_RXSTAT_FRAMEALIGNERR	0x00000004
350 #define	VR_RXSTAT_FIFOOFLOW	0x00000008
351 #define	VR_RXSTAT_GIANT		0x00000010
352 #define	VR_RXSTAT_RUNT		0x00000020
353 #define	VR_RXSTAT_BUSERR	0x00000040
354 #define	VR_RXSTAT_BUFFERR	0x00000080
355 #define	VR_RXSTAT_LASTFRAG	0x00000100
356 #define	VR_RXSTAT_FIRSTFRAG	0x00000200
357 #define	VR_RXSTAT_RLINK		0x00000400
358 #define	VR_RXSTAT_RX_PHYS	0x00000800
359 #define	VR_RXSTAT_RX_BROAD	0x00001000
360 #define	VR_RXSTAT_RX_MULTI	0x00002000
361 #define	VR_RXSTAT_RX_OK		0x00004000
362 #define	VR_RXSTAT_RXLEN		0x07FF0000
363 #define	VR_RXSTAT_RXLEN_EXT	0x78000000
364 #define	VR_RXSTAT_OWN		0x80000000
365 
366 #define	VR_RXBYTES(x)		((x & VR_RXSTAT_RXLEN) >> 16)
367 
368 #define	VR_RXCTL_BUFLEN		0x000007FF
369 #define	VR_RXCTL_BUFLEN_EXT	0x00007800
370 #define	VR_RXCTL_CHAIN		0x00008000
371 #define	VR_RXCTL_RX_INTR	0x00800000
372 
373 #define	VR_TXSTAT_DEFER		0x00000001
374 #define	VR_TXSTAT_UNDERRUN	0x00000002
375 #define	VR_TXSTAT_COLLCNT	0x00000078
376 #define	VR_TXSTAT_SQE		0x00000080
377 #define	VR_TXSTAT_ABRT		0x00000100
378 #define	VR_TXSTAT_LATECOLL	0x00000200
379 #define	VR_TXSTAT_CARRLOST	0x00000400
380 #define	VR_TXSTAT_UDF		0x00000800
381 #define	VR_TXSTAT_BUSERR	0x00002000
382 #define	VR_TXSTAT_JABTIMEO	0x00004000
383 #define	VR_TXSTAT_ERRSUM	0x00008000
384 #define	VR_TXSTAT_OWN		0x80000000
385 
386 #define	VR_TXCTL_BUFLEN		0x000007FF
387 #define	VR_TXCTL_BUFLEN_EXT	0x00007800
388 #define	VR_TXCTL_TLINK		0x00008000
389 #define	VR_TXCTL_FIRSTFRAG	0x00200000
390 #define	VR_TXCTL_LASTFRAG	0x00400000
391 #define	VR_TXCTL_FINT		0x00800000
392 
393 
394 #define	VR_MIN_FRAMELEN		60
395 
396 /*
397  * VIA Rhine revision IDs
398  */
399 
400 #define REV_ID_VT3043_E			0x04
401 #define REV_ID_VT3071_A			0x20
402 #define REV_ID_VT3071_B			0x21
403 #define REV_ID_VT3065_A			0x40
404 #define REV_ID_VT3065_B			0x41
405 #define REV_ID_VT3065_C			0x42
406 #define REV_ID_VT3106			0x80
407 #define REV_ID_VT3106_J			0x80    /* 0x80-0x8F */
408 #define REV_ID_VT3106_S			0x90    /* 0x90-0xA0 */
409 
410 /*
411  * PCI low memory base and low I/O base register, and
412  * other PCI registers.
413  */
414 
415 #define	VR_PCI_LOIO		0x10
416 #define	VR_PCI_LOMEM		0x14
417 #define	VR_PCI_RESETOPT		0x48
418 #define	VR_PCI_EEPROM_DATA	0x4C
419