xref: /freebsd/sys/dev/vte/if_vtereg.h (revision 537d134373141c2d25bfb24af6d661d0e6102927)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2010, Pyun YongHyeon <yongari@FreeBSD.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 unmodified, this list of conditions, and the following
12  *    disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * $FreeBSD$
30  */
31 
32 #ifndef	_IF_VTEREG_H
33 #define	_IF_VTEREG_H
34 
35 /*
36  * RDC Semiconductor PCI vendor ID
37  */
38 #define	VENDORID_RDC		0x17F3
39 
40 /*
41  * Vortex86 RDC R6040 FastEthernet device ID
42  */
43 #define	DEVICEID_RDC_R6040		0x6040	/* PMX-1000 */
44 
45 /* MAC control register 0 */
46 #define	VTE_MCR0			0x00
47 #define	MCR0_ACCPT_ERR			0x0001
48 #define	MCR0_RX_ENB			0x0002
49 #define	MCR0_ACCPT_RUNT			0x0004
50 #define	MCR0_ACCPT_LONG_PKT		0x0008
51 #define	MCR0_ACCPT_DRIBBLE		0x0010
52 #define	MCR0_PROMISC			0x0020
53 #define	MCR0_BROADCAST_DIS		0x0040
54 #define	MCR0_RX_EARLY_INTR		0x0080
55 #define	MCR0_MULTICAST			0x0100
56 #define	MCR0_FC_ENB			0x0200
57 #define	MCR0_TX_ENB			0x1000
58 #define	MCR0_TX_EARLY_INTR		0x4000
59 #define	MCR0_FULL_DUPLEX		0x8000
60 
61 /* MAC control register 1 */
62 #define	VTE_MCR1			0x04
63 #define	MCR1_MAC_RESET			0x0001
64 #define	MCR1_MAC_LOOPBACK		0x0002
65 #define	MCR1_EXCESS_COL_RETRANS_DIS	0x0004
66 #define	MCR1_AUTO_CHG_DUPLEX		0x0008
67 #define	MCR1_PKT_LENGTH_1518		0x0010
68 #define	MCR1_PKT_LENGTH_1522		0x0020
69 #define	MCR1_PKT_LENGTH_1534		0x0030
70 #define	MCR1_PKT_LENGTH_1537		0x0000
71 #define	MCR1_EARLY_INTR_THRESH_1129	0x0000
72 #define	MCR1_EARLY_INTR_THRESH_1257	0x0040
73 #define	MCR1_EARLY_INTR_THRESH_1385	0x0080
74 #define	MCR1_EARLY_INTR_THRESH_1513	0x00C0
75 #define	MCR1_EXCESS_COL_RETRY_16	0x0000
76 #define	MCR1_EXCESS_COL_RETRY_32	0x0100
77 #define	MCR1_FC_ACTIVE			0x0200
78 #define	MCR1_RX_DESC_HASH_IDX		0x4000
79 #define	MCR1_RX_UNICAST_HASH		0x8000
80 
81 #define	MCR1_PKT_LENGTH_MASK		0x0030
82 #define	MCR1_EARLY_INTR_THRESH_MASK	0x00C0
83 
84 /* MAC bus control register */
85 #define	VTE_MBCR			0x08
86 #define	MBCR_FIFO_XFER_LENGTH_4		0x0000
87 #define	MBCR_FIFO_XFER_LENGTH_8		0x0001
88 #define	MBCR_FIFO_XFER_LENGTH_16	0x0002
89 #define	MBCR_FIFO_XFER_LENGTH_32	0x0003
90 #define	MBCR_TX_FIFO_THRESH_16		0x0000
91 #define	MBCR_TX_FIFO_THRESH_32		0x0004
92 #define	MBCR_TX_FIFO_THRESH_64		0x0008
93 #define	MBCR_TX_FIFO_THRESH_96		0x000C
94 #define	MBCR_RX_FIFO_THRESH_8		0x0000
95 #define	MBCR_RX_FIFO_THRESH_16		0x0010
96 #define	MBCR_RX_FIFO_THRESH_32		0x0020
97 #define	MBCR_RX_FIFO_THRESH_64		0x0030
98 #define	MBCR_SDRAM_BUS_REQ_TIMER_MASK	0x1F00
99 #define	MBCR_SDRAM_BUS_REQ_TIMER_SHIFT	8
100 #define	MBCR_SDRAM_BUS_REQ_TIMER_DEFAULT	0x1F00
101 
102 /* MAC TX interrupt control register */
103 #define	VTE_MTICR			0x0C
104 #define	MTICR_TX_TIMER_MASK		0x001F
105 #define	MTICR_TX_BUNDLE_MASK		0x0F00
106 #define	VTE_IM_TX_TIMER_DEFAULT		0x7F
107 #define	VTE_IM_TX_BUNDLE_DEFAULT	15
108 
109 #define	VTE_IM_TIMER_MIN		0
110 #define	VTE_IM_TIMER_MAX		82
111 #define	VTE_IM_TIMER_MASK		0x001F
112 #define	VTE_IM_TIMER_SHIFT		0
113 #define	VTE_IM_BUNDLE_MIN		1
114 #define	VTE_IM_BUNDLE_MAX		15
115 #define	VTE_IM_BUNDLE_SHIFT		8
116 
117 /* MAC RX interrupt control register */
118 #define	VTE_MRICR			0x10
119 #define	MRICR_RX_TIMER_MASK		0x001F
120 #define	MRICR_RX_BUNDLE_MASK		0x0F00
121 #define	VTE_IM_RX_TIMER_DEFAULT		0x7F
122 #define	VTE_IM_RX_BUNDLE_DEFAULT	15
123 
124 /* MAC TX poll command register */
125 #define	VTE_TX_POLL			0x14
126 #define	TX_POLL_START			0x0001
127 
128 /* MAC RX buffer size register */
129 #define	VTE_MRBSR			0x18
130 #define	VTE_MRBSR_SIZE_MASK		0x03FF
131 
132 /* MAC RX descriptor control register */
133 #define	VTE_MRDCR			0x1A
134 #define	VTE_MRDCR_RESIDUE_MASK		0x00FF
135 #define	VTE_MRDCR_RX_PAUSE_THRESH_MASK	0xFF00
136 #define	VTE_MRDCR_RX_PAUSE_THRESH_SHIFT	8
137 
138 /* MAC Last status register */
139 #define	VTE_MLSR			0x1C
140 #define	MLSR_MULTICAST			0x0001
141 #define	MLSR_BROADCAST			0x0002
142 #define	MLSR_CRC_ERR			0x0004
143 #define	MLSR_RUNT			0x0008
144 #define	MLSR_LONG_PKT			0x0010
145 #define	MLSR_TRUNC			0x0020
146 #define	MLSR_DRIBBLE			0x0040
147 #define	MLSR_PHY_ERR			0x0080
148 #define	MLSR_TX_FIFO_UNDERRUN		0x0200
149 #define	MLSR_RX_DESC_UNAVAIL		0x0400
150 #define	MLSR_TX_EXCESS_COL		0x2000
151 #define	MLSR_TX_LATE_COL		0x4000
152 #define	MLSR_RX_FIFO_OVERRUN		0x8000
153 
154 /* MAC MDIO control register */
155 #define	VTE_MMDIO			0x20
156 #define	MMDIO_REG_ADDR_MASK		0x001F
157 #define	MMDIO_PHY_ADDR_MASK		0x1F00
158 #define	MMDIO_READ			0x2000
159 #define	MMDIO_WRITE			0x4000
160 #define	MMDIO_REG_ADDR_SHIFT		0
161 #define	MMDIO_PHY_ADDR_SHIFT		8
162 
163 /* MAC MDIO read data register */
164 #define	VTE_MMRD			0x24
165 #define	MMRD_DATA_MASK			0xFFFF
166 
167 /* MAC MDIO write data register */
168 #define	VTE_MMWD			0x28
169 #define	MMWD_DATA_MASK			0xFFFF
170 
171 /* MAC TX descriptor start address 0 */
172 #define	VTE_MTDSA0			0x2C
173 
174 /* MAC TX descriptor start address 1 */
175 #define	VTE_MTDSA1			0x30
176 
177 /* MAC RX descriptor start address 0 */
178 #define	VTE_MRDSA0			0x34
179 
180 /* MAC RX descriptor start address 1 */
181 #define	VTE_MRDSA1			0x38
182 
183 /* MAC Interrupt status register */
184 #define	VTE_MISR			0x3C
185 #define	MISR_RX_DONE			0x0001
186 #define	MISR_RX_DESC_UNAVAIL		0x0002
187 #define	MISR_RX_FIFO_FULL		0x0004
188 #define	MISR_RX_EARLY_INTR		0x0008
189 #define	MISR_TX_DONE			0x0010
190 #define	MISR_TX_EARLY_INTR		0x0080
191 #define	MISR_EVENT_CNT_OFLOW		0x0100
192 #define	MISR_PHY_MEDIA_CHG		0x0200
193 
194 /* MAC Interrupt enable register */
195 #define	VTE_MIER			0x40
196 
197 #define	VTE_INTRS							\
198 	(MISR_RX_DONE | MISR_RX_DESC_UNAVAIL | MISR_RX_FIFO_FULL |	\
199 	MISR_TX_DONE | MISR_EVENT_CNT_OFLOW)
200 
201 /* MAC Event counter interrupt status register */
202 #define	VTE_MECISR			0x44
203 #define	MECISR_EC_RX_DONE		0x0001
204 #define	MECISR_EC_MULTICAST		0x0002
205 #define	MECISR_EC_BROADCAST		0x0004
206 #define	MECISR_EC_CRC_ERR		0x0008
207 #define	MECISR_EC_RUNT			0x0010
208 #define	MESCIR_EC_LONG_PKT		0x0020
209 #define	MESCIR_EC_RX_DESC_UNAVAIL	0x0080
210 #define	MESCIR_EC_RX_FIFO_FULL		0x0100
211 #define	MESCIR_EC_TX_DONE		0x0200
212 #define	MESCIR_EC_LATE_COL		0x0400
213 #define	MESCIR_EC_TX_UNDERRUN		0x0800
214 
215 /* MAC Event counter interrupt enable register */
216 #define	VTE_MECIER			0x48
217 #define	VTE_MECIER_INTRS						 \
218 	(MECISR_EC_RX_DONE | MECISR_EC_MULTICAST | MECISR_EC_BROADCAST | \
219 	MECISR_EC_CRC_ERR | MECISR_EC_RUNT | MESCIR_EC_LONG_PKT |	 \
220 	MESCIR_EC_RX_DESC_UNAVAIL | MESCIR_EC_RX_FIFO_FULL |		 \
221 	MESCIR_EC_TX_DONE | MESCIR_EC_LATE_COL | MESCIR_EC_TX_UNDERRUN)
222 
223 #define	VTE_CNT_RX_DONE			0x50
224 
225 #define	VTE_CNT_MECNT0			0x52
226 
227 #define	VTE_CNT_MECNT1			0x54
228 
229 #define	VTE_CNT_MECNT2			0x56
230 
231 #define	VTE_CNT_MECNT3			0x58
232 
233 #define	VTE_CNT_TX_DONE			0x5A
234 
235 #define	VTE_CNT_MECNT4			0x5C
236 
237 #define	VTE_CNT_PAUSE			0x5E
238 
239 /* MAC Hash table register */
240 #define	VTE_MAR0			0x60
241 #define	VTE_MAR1			0x62
242 #define	VTE_MAR2			0x64
243 #define	VTE_MAR3			0x66
244 
245 /* MAC station address and multicast address register */
246 #define	VTE_MID0L			0x68
247 #define	VTE_MID0M			0x6A
248 #define	VTE_MID0H			0x6C
249 #define	VTE_MID1L			0x70
250 #define	VTE_MID1M			0x72
251 #define	VTE_MID1H			0x74
252 #define	VTE_MID2L			0x78
253 #define	VTE_MID2M			0x7A
254 #define	VTE_MID2H			0x7C
255 #define	VTE_MID3L			0x80
256 #define	VTE_MID3M			0x82
257 #define	VTE_MID3H			0x84
258 
259 #define	VTE_RXFILTER_PEEFECT_BASE	VTE_MID1L
260 #define	VTE_RXFILT_PERFECT_CNT		3
261 
262 /* MAC PHY status change configuration register */
263 #define	VTE_MPSCCR			0x88
264 #define	MPSCCR_TIMER_DIVIDER_MASK	0x0007
265 #define	MPSCCR_PHY_ADDR_MASK		0x1F00
266 #define	MPSCCR_PHY_STS_CHG_ENB		0x8000
267 #define	MPSCCR_PHY_ADDR_SHIFT		8
268 
269 /* MAC PHY status register2 */
270 #define	VTE_MPSR			0x8A
271 #define	MPSR_LINK_UP			0x0001
272 #define	MPSR_SPEED_100			0x0002
273 #define	MPSR_FULL_DUPLEX		0x0004
274 
275 /* MAC Status machine(undocumented). */
276 #define	VTE_MACSM			0xAC
277 
278 /* MDC Speed control register */
279 #define	VTE_MDCSC			0xB6
280 #define	MDCSC_DEFAULT			0x0030
281 
282 /* MAC Identifier and revision register */
283 #define	VTE_MACID_REV			0xBC
284 #define	VTE_MACID_REV_MASK		0x00FF
285 #define	VTE_MACID_MASK			0xFF00
286 #define	VTE_MACID_REV_SHIFT		0
287 #define	VTE_MACID_SHIFT			8
288 
289 /* MAC Identifier register */
290 #define	VTE_MACID			0xBE
291 
292 /*
293  * RX descriptor
294  * - Added one more uint16_t member to align it 4 on bytes boundary.
295  *   This does not affect operation of controller since it includes
296  *   next pointer address.
297  */
298 struct vte_rx_desc {
299 	uint16_t drst;
300 	uint16_t drlen;
301 	uint32_t drbp;
302 	uint32_t drnp;
303 	uint16_t hidx;
304 	uint16_t rsvd2;
305 	uint16_t rsvd3;
306 	uint16_t __pad;	/* Not actual descriptor member. */
307 };
308 
309 #define	VTE_DRST_MID_MASK	0x0003
310 #define	VTE_DRST_MID_HIT	0x0004
311 #define	VTE_DRST_MULTICAST_HIT	0x0008
312 #define	VTE_DRST_MULTICAST	0x0010
313 #define	VTE_DRST_BROADCAST	0x0020
314 #define	VTE_DRST_CRC_ERR	0x0040
315 #define	VTE_DRST_RUNT		0x0080
316 #define	VTE_DRST_LONG		0x0100
317 #define	VTE_DRST_TRUNC		0x0200
318 #define	VTE_DRST_DRIBBLE	0x0400
319 #define	VTE_DRST_PHY_ERR	0x0800
320 #define	VTE_DRST_RX_OK		0x4000
321 #define	VTE_DRST_RX_OWN		0x8000
322 
323 #define	VTE_RX_LEN(x)		((x) & 0x7FF)
324 
325 #define	VTE_RX_HIDX(x)		((x) & 0x3F)
326 
327 /*
328  * TX descriptor
329  * - Added one more uint32_t member to align it on 16 bytes boundary.
330  */
331 struct vte_tx_desc {
332 	uint16_t dtst;
333 	uint16_t dtlen;
334 	uint32_t dtbp;
335 	uint32_t dtnp;
336 	uint32_t __pad;	/* Not actual descriptor member. */
337 };
338 
339 #define	VTE_DTST_EXCESS_COL	0x0010
340 #define	VTE_DTST_LATE_COL	0x0020
341 #define	VTE_DTST_UNDERRUN	0x0040
342 #define	VTE_DTST_NO_CRC		0x2000
343 #define	VTE_DTST_TX_OK		0x4000
344 #define	VTE_DTST_TX_OWN		0x8000
345 
346 #define	VTE_TX_LEN(x)		((x) & 0x7FF)
347 
348 #endif	/* _IF_VTEREG_H */
349