xref: /freebsd/sys/dev/vte/if_vtereg.h (revision 3f0164abf32b9b761e0a2cb4bdca3a8b84f156d4)
1 /*-
2  * Copyright (c) 2010, Pyun YongHyeon <yongari@FreeBSD.org>
3  * 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 unmodified, this list of conditions, and the following
10  *    disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 
30 #ifndef	_IF_VTEREG_H
31 #define	_IF_VTEREG_H
32 
33 /*
34  * RDC Semiconductor PCI vendor ID
35  */
36 #define	VENDORID_RDC		0x17F3
37 
38 /*
39  * Vortex86 RDC R6040 FastEthernet device ID
40  */
41 #define	DEVICEID_RDC_R6040		0x6040	/* PMX-1000 */
42 
43 /* MAC control register 0 */
44 #define	VTE_MCR0			0x00
45 #define	MCR0_ACCPT_ERR			0x0001
46 #define	MCR0_RX_ENB			0x0002
47 #define	MCR0_ACCPT_RUNT			0x0004
48 #define	MCR0_ACCPT_LONG_PKT		0x0008
49 #define	MCR0_ACCPT_DRIBBLE		0x0010
50 #define	MCR0_PROMISC			0x0020
51 #define	MCR0_BROADCAST_DIS		0x0040
52 #define	MCR0_RX_EARLY_INTR		0x0080
53 #define	MCR0_MULTICAST			0x0100
54 #define	MCR0_FC_ENB			0x0200
55 #define	MCR0_TX_ENB			0x1000
56 #define	MCR0_TX_EARLY_INTR		0x4000
57 #define	MCR0_FULL_DUPLEX		0x8000
58 
59 /* MAC control register 1 */
60 #define	VTE_MCR1			0x04
61 #define	MCR1_MAC_RESET			0x0001
62 #define	MCR1_MAC_LOOPBACK		0x0002
63 #define	MCR1_EXCESS_COL_RETRANS_DIS	0x0004
64 #define	MCR1_AUTO_CHG_DUPLEX		0x0008
65 #define	MCR1_PKT_LENGTH_1518		0x0010
66 #define	MCR1_PKT_LENGTH_1522		0x0020
67 #define	MCR1_PKT_LENGTH_1534		0x0030
68 #define	MCR1_PKT_LENGTH_1537		0x0000
69 #define	MCR1_EARLY_INTR_THRESH_1129	0x0000
70 #define	MCR1_EARLY_INTR_THRESH_1257	0x0040
71 #define	MCR1_EARLY_INTR_THRESH_1385	0x0080
72 #define	MCR1_EARLY_INTR_THRESH_1513	0x00C0
73 #define	MCR1_EXCESS_COL_RETRY_16	0x0000
74 #define	MCR1_EXCESS_COL_RETRY_32	0x0100
75 #define	MCR1_FC_ACTIVE			0x0200
76 #define	MCR1_RX_DESC_HASH_IDX		0x4000
77 #define	MCR1_RX_UNICAST_HASH		0x8000
78 
79 #define	MCR1_PKT_LENGTH_MASK		0x0030
80 #define	MCR1_EARLY_INTR_THRESH_MASK	0x00C0
81 
82 /* MAC bus control register */
83 #define	VTE_MBCR			0x08
84 #define	MBCR_FIFO_XFER_LENGTH_4		0x0000
85 #define	MBCR_FIFO_XFER_LENGTH_8		0x0001
86 #define	MBCR_FIFO_XFER_LENGTH_16	0x0002
87 #define	MBCR_FIFO_XFER_LENGTH_32	0x0003
88 #define	MBCR_TX_FIFO_THRESH_16		0x0000
89 #define	MBCR_TX_FIFO_THRESH_32		0x0004
90 #define	MBCR_TX_FIFO_THRESH_64		0x0008
91 #define	MBCR_TX_FIFO_THRESH_96		0x000C
92 #define	MBCR_RX_FIFO_THRESH_8		0x0000
93 #define	MBCR_RX_FIFO_THRESH_16		0x0010
94 #define	MBCR_RX_FIFO_THRESH_32		0x0020
95 #define	MBCR_RX_FIFO_THRESH_64		0x0030
96 #define	MBCR_SDRAM_BUS_REQ_TIMER_MASK	0x1F00
97 #define	MBCR_SDRAM_BUS_REQ_TIMER_SHIFT	8
98 #define	MBCR_SDRAM_BUS_REQ_TIMER_DEFAULT	0x1F00
99 
100 /* MAC TX interrupt control register */
101 #define	VTE_MTICR			0x0C
102 #define	MTICR_TX_TIMER_MASK		0x001F
103 #define	MTICR_TX_BUNDLE_MASK		0x0F00
104 #define	VTE_IM_TX_TIMER_DEFAULT		0x7F
105 #define	VTE_IM_TX_BUNDLE_DEFAULT	15
106 
107 #define	VTE_IM_TIMER_MIN		0
108 #define	VTE_IM_TIMER_MAX		82
109 #define	VTE_IM_TIMER_MASK		0x001F
110 #define	VTE_IM_TIMER_SHIFT		0
111 #define	VTE_IM_BUNDLE_MIN		1
112 #define	VTE_IM_BUNDLE_MAX		15
113 #define	VTE_IM_BUNDLE_SHIFT		8
114 
115 /* MAC RX interrupt control register */
116 #define	VTE_MRICR			0x10
117 #define	MRICR_RX_TIMER_MASK		0x001F
118 #define	MRICR_RX_BUNDLE_MASK		0x0F00
119 #define	VTE_IM_RX_TIMER_DEFAULT		0x7F
120 #define	VTE_IM_RX_BUNDLE_DEFAULT	15
121 
122 /* MAC TX poll command register */
123 #define	VTE_TX_POLL			0x14
124 #define	TX_POLL_START			0x0001
125 
126 /* MAC RX buffer size register */
127 #define	VTE_MRBSR			0x18
128 #define	VTE_MRBSR_SIZE_MASK		0x03FF
129 
130 /* MAC RX descriptor control register */
131 #define	VTE_MRDCR			0x1A
132 #define	VTE_MRDCR_RESIDUE_MASK		0x00FF
133 #define	VTE_MRDCR_RX_PAUSE_THRESH_MASK	0xFF00
134 #define	VTE_MRDCR_RX_PAUSE_THRESH_SHIFT	8
135 
136 /* MAC Last status register */
137 #define	VTE_MLSR			0x1C
138 #define	MLSR_MULTICAST			0x0001
139 #define	MLSR_BROADCAST			0x0002
140 #define	MLSR_CRC_ERR			0x0004
141 #define	MLSR_RUNT			0x0008
142 #define	MLSR_LONG_PKT			0x0010
143 #define	MLSR_TRUNC			0x0020
144 #define	MLSR_DRIBBLE			0x0040
145 #define	MLSR_PHY_ERR			0x0080
146 #define	MLSR_TX_FIFO_UNDERRUN		0x0200
147 #define	MLSR_RX_DESC_UNAVAIL		0x0400
148 #define	MLSR_TX_EXCESS_COL		0x2000
149 #define	MLSR_TX_LATE_COL		0x4000
150 #define	MLSR_RX_FIFO_OVERRUN		0x8000
151 
152 /* MAC MDIO control register */
153 #define	VTE_MMDIO			0x20
154 #define	MMDIO_REG_ADDR_MASK		0x001F
155 #define	MMDIO_PHY_ADDR_MASK		0x1F00
156 #define	MMDIO_READ			0x2000
157 #define	MMDIO_WRITE			0x4000
158 #define	MMDIO_REG_ADDR_SHIFT		0
159 #define	MMDIO_PHY_ADDR_SHIFT		8
160 
161 /* MAC MDIO read data register */
162 #define	VTE_MMRD			0x24
163 #define	MMRD_DATA_MASK			0xFFFF
164 
165 /* MAC MDIO write data register */
166 #define	VTE_MMWD			0x28
167 #define	MMWD_DATA_MASK			0xFFFF
168 
169 /* MAC TX descriptor start address 0 */
170 #define	VTE_MTDSA0			0x2C
171 
172 /* MAC TX descriptor start address 1 */
173 #define	VTE_MTDSA1			0x30
174 
175 /* MAC RX descriptor start address 0 */
176 #define	VTE_MRDSA0			0x34
177 
178 /* MAC RX descriptor start address 1 */
179 #define	VTE_MRDSA1			0x38
180 
181 /* MAC Interrupt status register */
182 #define	VTE_MISR			0x3C
183 #define	MISR_RX_DONE			0x0001
184 #define	MISR_RX_DESC_UNAVAIL		0x0002
185 #define	MISR_RX_FIFO_FULL		0x0004
186 #define	MISR_RX_EARLY_INTR		0x0008
187 #define	MISR_TX_DONE			0x0010
188 #define	MISR_TX_EARLY_INTR		0x0080
189 #define	MISR_EVENT_CNT_OFLOW		0x0100
190 #define	MISR_PHY_MEDIA_CHG		0x0200
191 
192 /* MAC Interrupt enable register */
193 #define	VTE_MIER			0x40
194 
195 #define	VTE_INTRS							\
196 	(MISR_RX_DONE | MISR_RX_DESC_UNAVAIL | MISR_RX_FIFO_FULL |	\
197 	MISR_TX_DONE | MISR_EVENT_CNT_OFLOW)
198 
199 /* MAC Event counter interrupt status register */
200 #define	VTE_MECISR			0x44
201 #define	MECISR_EC_RX_DONE		0x0001
202 #define	MECISR_EC_MULTICAST		0x0002
203 #define	MECISR_EC_BROADCAST		0x0004
204 #define	MECISR_EC_CRC_ERR		0x0008
205 #define	MECISR_EC_RUNT			0x0010
206 #define	MESCIR_EC_LONG_PKT		0x0020
207 #define	MESCIR_EC_RX_DESC_UNAVAIL	0x0080
208 #define	MESCIR_EC_RX_FIFO_FULL		0x0100
209 #define	MESCIR_EC_TX_DONE		0x0200
210 #define	MESCIR_EC_LATE_COL		0x0400
211 #define	MESCIR_EC_TX_UNDERRUN		0x0800
212 
213 /* MAC Event counter interrupt enable register */
214 #define	VTE_MECIER			0x48
215 #define	VTE_MECIER_INTRS						 \
216 	(MECISR_EC_RX_DONE | MECISR_EC_MULTICAST | MECISR_EC_BROADCAST | \
217 	MECISR_EC_CRC_ERR | MECISR_EC_RUNT | MESCIR_EC_LONG_PKT |	 \
218 	MESCIR_EC_RX_DESC_UNAVAIL | MESCIR_EC_RX_FIFO_FULL |		 \
219 	MESCIR_EC_TX_DONE | MESCIR_EC_LATE_COL | MESCIR_EC_TX_UNDERRUN)
220 
221 #define	VTE_CNT_RX_DONE			0x50
222 
223 #define	VTE_CNT_MECNT0			0x52
224 
225 #define	VTE_CNT_MECNT1			0x54
226 
227 #define	VTE_CNT_MECNT2			0x56
228 
229 #define	VTE_CNT_MECNT3			0x58
230 
231 #define	VTE_CNT_TX_DONE			0x5A
232 
233 #define	VTE_CNT_MECNT4			0x5C
234 
235 #define	VTE_CNT_PAUSE			0x5E
236 
237 /* MAC Hash table register */
238 #define	VTE_MAR0			0x60
239 #define	VTE_MAR1			0x62
240 #define	VTE_MAR2			0x64
241 #define	VTE_MAR3			0x66
242 
243 /* MAC station address and multicast address register */
244 #define	VTE_MID0L			0x68
245 #define	VTE_MID0M			0x6A
246 #define	VTE_MID0H			0x6C
247 #define	VTE_MID1L			0x70
248 #define	VTE_MID1M			0x72
249 #define	VTE_MID1H			0x74
250 #define	VTE_MID2L			0x78
251 #define	VTE_MID2M			0x7A
252 #define	VTE_MID2H			0x7C
253 #define	VTE_MID3L			0x80
254 #define	VTE_MID3M			0x82
255 #define	VTE_MID3H			0x84
256 
257 #define	VTE_RXFILTER_PEEFECT_BASE	VTE_MID1L
258 #define	VTE_RXFILT_PERFECT_CNT		3
259 
260 /* MAC PHY status change configuration register */
261 #define	VTE_MPSCCR			0x88
262 #define	MPSCCR_TIMER_DIVIDER_MASK	0x0007
263 #define	MPSCCR_PHY_ADDR_MASK		0x1F00
264 #define	MPSCCR_PHY_STS_CHG_ENB		0x8000
265 #define	MPSCCR_PHY_ADDR_SHIFT		8
266 
267 /* MAC PHY status register2 */
268 #define	VTE_MPSR			0x8A
269 #define	MPSR_LINK_UP			0x0001
270 #define	MPSR_SPEED_100			0x0002
271 #define	MPSR_FULL_DUPLEX		0x0004
272 
273 /* MAC Status machine(undocumented). */
274 #define	VTE_MACSM			0xAC
275 
276 /* MDC Speed control register */
277 #define	VTE_MDCSC			0xB6
278 #define	MDCSC_DEFAULT			0x0030
279 
280 /* MAC Identifier and revision register */
281 #define	VTE_MACID_REV			0xBC
282 #define	VTE_MACID_REV_MASK		0x00FF
283 #define	VTE_MACID_MASK			0xFF00
284 #define	VTE_MACID_REV_SHIFT		0
285 #define	VTE_MACID_SHIFT			8
286 
287 /* MAC Identifier register */
288 #define	VTE_MACID			0xBE
289 
290 /*
291  * RX descriptor
292  * - Added one more uint16_t member to align it 4 on bytes boundary.
293  *   This does not affect operation of controller since it includes
294  *   next pointer address.
295  */
296 struct vte_rx_desc {
297 	uint16_t drst;
298 	uint16_t drlen;
299 	uint32_t drbp;
300 	uint32_t drnp;
301 	uint16_t hidx;
302 	uint16_t rsvd2;
303 	uint16_t rsvd3;
304 	uint16_t __pad;	/* Not actual descriptor member. */
305 };
306 
307 #define	VTE_DRST_MID_MASK	0x0003
308 #define	VTE_DRST_MID_HIT	0x0004
309 #define	VTE_DRST_MULTICAST_HIT	0x0008
310 #define	VTE_DRST_MULTICAST	0x0010
311 #define	VTE_DRST_BROADCAST	0x0020
312 #define	VTE_DRST_CRC_ERR	0x0040
313 #define	VTE_DRST_RUNT		0x0080
314 #define	VTE_DRST_LONG		0x0100
315 #define	VTE_DRST_TRUNC		0x0200
316 #define	VTE_DRST_DRIBBLE	0x0400
317 #define	VTE_DRST_PHY_ERR	0x0800
318 #define	VTE_DRST_RX_OK		0x4000
319 #define	VTE_DRST_RX_OWN		0x8000
320 
321 #define	VTE_RX_LEN(x)		((x) & 0x7FF)
322 
323 #define	VTE_RX_HIDX(x)		((x) & 0x3F)
324 
325 /*
326  * TX descriptor
327  * - Added one more uint32_t member to align it on 16 bytes boundary.
328  */
329 struct vte_tx_desc {
330 	uint16_t dtst;
331 	uint16_t dtlen;
332 	uint32_t dtbp;
333 	uint32_t dtnp;
334 	uint32_t __pad;	/* Not actual descriptor member. */
335 };
336 
337 #define	VTE_DTST_EXCESS_COL	0x0010
338 #define	VTE_DTST_LATE_COL	0x0020
339 #define	VTE_DTST_UNDERRUN	0x0040
340 #define	VTE_DTST_NO_CRC		0x2000
341 #define	VTE_DTST_TX_OK		0x4000
342 #define	VTE_DTST_TX_OWN		0x8000
343 
344 #define	VTE_TX_LEN(x)		((x) & 0x7FF)
345 
346 #endif	/* _IF_VTEREG_H */
347