1 /*        $NetBSD: if_stgereg.h,v 1.9 2020/01/14 09:49:26 msaitoh Exp $         */
2 
3 /*-
4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Jason R. Thorpe.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _DEV_PCI_IF_STGEREG_H_
33 #define   _DEV_PCI_IF_STGEREG_H_
34 
35 
36 #include <net/if_ether.h>
37 #include <sys/bus.h>
38 
39 /*
40  * Register description for the Sundance Tech. TC9021 10/100/1000
41  * Ethernet controller.
42  *
43  * Note that while DMA addresses are all in 64-bit fields, only
44  * the lower 40 bits of a DMA address are valid.
45  */
46 
47 /*
48  * TC9021 buffer fragment descriptor.
49  */
50 struct stge_frag {
51           uint64_t  frag_word0;         /* address, length */
52 } __packed;
53 
54 #define   FRAG_ADDR(x)        (((uint64_t)(x)) << 0)
55 #define   FRAG_ADDR_MASK      FRAG_ADDR(0xfffffffffULL)
56 #define   FRAG_LEN(x)         (((uint64_t)(x)) << 48)
57 #define   FRAG_LEN_MASK       FRAG_LEN(0xffffULL)
58 
59 /*
60  * TC9021 Transmit Frame Descriptor.  Note the number of fragments
61  * here is arbitrary, but we can't have any more than 15.
62  */
63 #define   STGE_NTXFRAGS       12
64 struct stge_tfd {
65           uint64_t  tfd_next; /* next TFD in list */
66           uint64_t  tfd_control;        /* control bits */
67                                                   /* the buffer fragments */
68           struct stge_frag tfd_frags[STGE_NTXFRAGS];
69 } __packed;
70 
71 #define   TFD_FrameId(x)                ((x) << 0)
72 #define   TFD_FrameId_MAX               0xffff
73 #define   TFD_WordAlign(x)    ((x) << 16)
74 #define   TFD_WordAlign_dword 0                   /* align to dword in TxFIFO */
75 #define   TFD_WordAlign_word  2                   /* align to word in TxFIFO */
76 #define   TFD_WordAlign_disable         1                   /* disable alignment */
77 #define   TFD_TCPChecksumEnable         (1ULL << 18)
78 #define   TFD_UDPChecksumEnable         (1ULL << 19)
79 #define   TFD_IPChecksumEnable          (1ULL << 20)
80 #define   TFD_FcsAppendDisable          (1ULL << 21)
81 #define   TFD_TxIndicate                (1ULL << 22)
82 #define   TFD_TxDMAIndicate   (1ULL << 23)
83 #define   TFD_FragCount(x)    ((x) << 24)
84 #define   TFD_VLANTagInsert   (1ULL << 28)
85 #define   TFD_TFDDone                   (1ULL << 31)
86 #define   TFD_VID(x)                    (((uint64_t)(x)) << 32)
87 #define   TFD_CFI                       (1ULL << 44)
88 #define   TFD_UserPriority(x) (((uint64_t)(x)) << 45)
89 
90 /*
91  * TC9021 Receive Frame Descriptor.  Each RFD has a single fragment
92  * in it, and the chip tells us the beginning and end of the frame.
93  */
94 struct stge_rfd {
95           uint64_t  rfd_next; /* next RFD in list */
96           uint64_t  rfd_status;         /* status bits */
97           struct stge_frag rfd_frag;    /* the buffer */
98 } __packed;
99 
100 #define   RFD_RxDMAFrameLen(x)          ((x) & 0xffff)
101 #define   RFD_RxFIFOOverrun   (1ULL << 16)
102 #define   RFD_RxRuntFrame               (1ULL << 17)
103 #define   RFD_RxAlignmentError          (1ULL << 18)
104 #define   RFD_RxFCSError                (1ULL << 19)
105 #define   RFD_RxOversizedFrame          (1ULL << 20)
106 #define   RFD_RxLengthError   (1ULL << 21)
107 #define   RFD_VLANDetected    (1ULL << 22)
108 #define   RFD_TCPDetected               (1ULL << 23)
109 #define   RFD_TCPError                  (1ULL << 24)
110 #define   RFD_UDPDetected               (1ULL << 25)
111 #define   RFD_UDPError                  (1ULL << 26)
112 #define   RFD_IPDetected                (1ULL << 27)
113 #define   RFD_IPError                   (1ULL << 28)
114 #define   RFD_FrameStart                (1ULL << 29)
115 #define   RFD_FrameEnd                  (1ULL << 30)
116 #define   RFD_RFDDone                   (1ULL << 31)
117 #define   RFD_TCI(x)                    ((((uint64_t)(x)) >> 32) & 0xffff)
118 
119 /*
120  * PCI configuration registers used by the TC9021.
121  */
122 
123 #define   STGE_PCI_IOBA                 (PCI_MAPREG_START + 0x00)
124 #define   STGE_PCI_MMBA                 (PCI_MAPREG_START + 0x04)
125 
126 /*
127  * EEPROM offsets.
128  */
129 #define   STGE_EEPROM_ConfigParam                 0x00
130 #define   STGE_EEPROM_AsicCtrl                    0x01
131 #define   STGE_EEPROM_SubSystemVendorId 0x02
132 #define   STGE_EEPROM_SubSystemId                 0x03
133 #define   STGE_EEPROM_StationAddress0   0x10
134 #define   STGE_EEPROM_StationAddress1   0x11
135 #define   STGE_EEPROM_StationAddress2   0x12
136 
137 /*
138  * The TC9021 register space.
139  */
140 
141 #define   STGE_DMACtrl                            0x00
142 #define   DMAC_RxDMAComplete            (1U << 3)
143 #define   DMAC_RxDMAPollNow             (1U << 4)
144 #define   DMAC_TxDMAComplete            (1U << 11)
145 #define   DMAC_TxDMAPollNow             (1U << 12)
146 #define   DMAC_TxDMAInProg              (1U << 15)
147 #define   DMAC_RxEarlyDisable           (1U << 16)
148 #define   DMAC_MWIDisable                         (1U << 18)
149 #define   DMAC_TxWiteBackDisable                  (1U << 19)
150 #define   DMAC_TxBurstLimit(x)                    ((x) << 20)
151 #define   DMAC_TargetAbort              (1U << 30)
152 #define   DMAC_MasterAbort              (1U << 31)
153 
154 #define   STGE_RxDMAStatus              0x08
155 
156 #define   STGE_TFDListPtrLo             0x10
157 
158 #define   STGE_TFDListPtrHi             0x14
159 
160 #define   STGE_TxDMABurstThresh                   0x18      /* 8-bit */
161 
162 #define   STGE_TxDMAUrgentThresh                  0x19      /* 8-bit */
163 
164 #define   STGE_TxDMAPollPeriod                    0x1a      /* 8-bit */
165 
166 #define   STGE_RFDListPtrLo             0x1c
167 
168 #define   STGE_RFDListPtrHi             0x20
169 
170 #define   STGE_RxDMABurstThresh                   0x24      /* 8-bit */
171 
172 #define   STGE_RxDMAUrgentThresh                  0x25      /* 8-bit */
173 
174 #define   STGE_RxDMAPollPeriod                    0x26      /* 8-bit */
175 
176 #define   STGE_RxDMAIntCtrl             0x28
177 #define   RDIC_RxFrameCount(x)                    ((x) & 0xff)
178 #define   RDIC_PriorityThresh(x)                  ((x) << 10)
179 #define   RDIC_RxDMAWaitTime(x)                   ((x) << 16)
180 
181 #define   STGE_DebugCtrl                          0x2c      /* 16-bit */
182 #define   DC_GPIO0Ctrl                            (1U << 0)
183 #define   DC_GPIO1Ctrl                            (1U << 1)
184 #define   DC_GPIO0                      (1U << 2)
185 #define   DC_GPIO1                      (1U << 3)
186 
187 #define   STGE_AsicCtrl                           0x30
188 #define   AC_ExpRomDisable              (1U << 0)
189 #define   AC_ExpRomSize                           (1U << 1)
190 #define   AC_PhySpeed10                           (1U << 4)
191 #define   AC_PhySpeed100                          (1U << 5)
192 #define   AC_PhySpeed1000                         (1U << 6)
193 #define   AC_PhyMedia                             (1U << 7)
194 #define   AC_ForcedConfig(x)            ((x) << 8)
195 #define   AC_ForcedConfig_MASK                    AC_ForcedConfig(7)
196 #define   AC_D3ResetDisable             (1U << 11)
197 #define   AC_SpeedupMode                          (1U << 13)
198 #define   AC_LEDMode                              (1U << 14)
199 #define   AC_RstOutPolarity             (1U << 15)
200 #define   AC_GlobalReset                          (1U << 16)
201 #define   AC_RxReset                              (1U << 17)
202 #define   AC_TxReset                              (1U << 18)
203 #define   AC_DMA                                  (1U << 19)
204 #define   AC_FIFO                                 (1U << 20)
205 #define   AC_Network                              (1U << 21)
206 #define   AC_Host                                 (1U << 22)
207 #define   AC_AutoInit                             (1U << 23)
208 #define   AC_RstOut                     (1U << 24)
209 #define   AC_InterruptRequest           (1U << 25)
210 #define   AC_ResetBusy                            (1U << 26)
211 
212 #define   STGE_FIFOCtrl                           0x38      /* 16-bit */
213 #define   FC_RAMTestMode                          (1U << 0)
214 #define   FC_Transmitting                         (1U << 14)
215 #define   FC_Receiving                            (1U << 15)
216 
217 #define   STGE_RxEarlyThresh            0x3a      /* 16-bit */
218 
219 #define   STGE_FlowOffThresh            0x3c      /* 16-bit */
220 
221 #define   STGE_FlowOnTresh              0x3e      /* 16-bit */
222 
223 #define   STGE_TxStartThresh            0x44      /* 16-bit */
224 
225 #define   STGE_EepromData                         0x48      /* 16-bit */
226 
227 #define   STGE_EepromCtrl                         0x4a      /* 16-bit */
228 #define   EC_EepromAddress(x)           ((x) & 0xff)
229 #define   EC_EepromOpcode(x)            ((x) << 8)
230 #define   EC_OP_WE                      0
231 #define   EC_OP_WR                      1
232 #define   EC_OP_RR                      2
233 #define   EC_OP_ER                      3
234 #define   EC_EepromBusy                           (1U << 15)
235 
236 #define   STGE_ExpRomAddr                         0x4c
237 
238 #define   STGE_ExpRomData                         0x50      /* 8-bit */
239 
240 #define   STGE_WakeEvent                          0x51      /* 8-bit */
241 
242 #define   STGE_Countdown                          0x54
243 #define   CD_Count(x)                             ((x) & 0xffff)
244 #define   CD_CountdownSpeed             (1U << 24)
245 #define   CD_CountdownMode              (1U << 25)
246 #define   CD_CountdownIntEnabled                  (1U << 26)
247 
248 #define   STGE_IntStatusAck             0x5a      /* 16-bit */
249 
250 #define   STGE_IntStatus                          0x5e      /* 16-bit */
251 
252 #define   STGE_IntEnable                          0x5c      /* 16-bit */
253 
254 #define   IS_InterruptStatus            (1U << 0)
255 #define   IS_HostError                            (1U << 1)
256 #define   IS_TxComplete                           (1U << 2)
257 #define   IS_MACControlFrame            (1U << 3)
258 #define   IS_RxComplete                           (1U << 4)
259 #define   IS_RxEarly                              (1U << 5)
260 #define   IS_InRequested                          (1U << 6)
261 #define   IS_UpdateStats                          (1U << 7)
262 #define   IS_LinkEvent                            (1U << 8)
263 #define   IS_TxDMAComplete              (1U << 9)
264 #define   IS_RxDMAComplete              (1U << 10)
265 #define   IS_RFDListEnd                           (1U << 11)
266 #define   IS_RxDMAPriority              (1U << 12)
267 
268 #define   STGE_TxStatus                           0x60
269 #define   TS_TxError                              (1U << 0)
270 #define   TS_LateCollision              (1U << 2)
271 #define   TS_MaxCollisions              (1U << 3)
272 #define   TS_TxUnderrun                           (1U << 4)
273 #define   TS_TxIndicateReqd             (1U << 6)
274 #define   TS_TxComplete                           (1U << 7)
275 #define   TS_TxFrameId_get(x)           ((x) >> 16)
276 
277 #define   STGE_MACCtrl                            0x6c
278 #define   MC_IFSSelect(x)                         ((x) & 3)
279 #define   MC_DuplexSelect                         (1U << 5)
280 #define   MC_RcvLargeFrames             (1U << 6)
281 #define   MC_TxFlowControlEnable                  (1U << 7)
282 #define   MC_RxFlowControlEnable                  (1U << 8)
283 #define   MC_RcvFCS                     (1U << 9)
284 #define   MC_FIFOLoopback                         (1U << 10)
285 #define   MC_MACLoopback                          (1U << 11)
286 #define   MC_AutoVLANtagging            (1U << 12)
287 #define   MC_AutoVLANuntagging                    (1U << 13)
288 #define   MC_CollisionDetect            (1U << 16)
289 #define   MC_CarrierSense                         (1U << 17)
290 #define   MC_StatisticsEnable           (1U << 21)
291 #define   MC_StatisticsDisable                    (1U << 22)
292 #define   MC_StatisticsEnabled                    (1U << 23)
293 #define   MC_TxEnable                             (1U << 24)
294 #define   MC_TxDisable                            (1U << 25)
295 #define   MC_TxEnabled                            (1U << 26)
296 #define   MC_RxEnable                             (1U << 27)
297 #define   MC_RxDisable                            (1U << 28)
298 #define   MC_RxEnabled                            (1U << 29)
299 #define   MC_Paused                     (1U << 30)
300 
301 #define   STGE_VLANTag                            0x70
302 
303 #define   STGE_PhyCtrl                            0x76      /* 8-bit */
304 #define   PC_MgmtClk                              (1U << 0)
305 #define   PC_MgmtData                             (1U << 1)
306 #define   PC_MgmtDir                              (1U << 2) /* MAC->PHY */
307 #define   PC_PhyDuplexPolarity                    (1U << 3)
308 #define   PC_PhyDuplexStatus            (1U << 4)
309 #define   PC_PhyLnkPolarity             (1U << 5)
310 #define   PC_LinkSpeed(x)                         (((x) >> 6) & 3)
311 #define   PC_LinkSpeed_Down             0
312 #define   PC_LinkSpeed_10                         1
313 #define   PC_LinkSpeed_100              2
314 #define   PC_LinkSpeed_1000             3
315 
316 #define   STGE_StationAddress0                    0x78      /* 16-bit */
317 
318 #define   STGE_StationAddress1                    0x7a      /* 16-bit */
319 
320 #define   STGE_StationAddress2                    0x7c      /* 16-bit */
321 
322 #define   STGE_VLANHashTable            0x7e      /* 16-bit */
323 
324 #define   STGE_VLANId                             0x80
325 
326 #define   STGE_MaxFrameSize             0x86
327 
328 #define   STGE_ReceiveMode              0x88      /* 16-bit */
329 #define   RM_ReceiveUnicast             (1U << 0)
330 #define   RM_ReceiveMulticast           (1U << 1)
331 #define   RM_ReceiveBroadcast           (1U << 2)
332 #define   RM_ReceiveAllFrames           (1U << 3)
333 #define   RM_ReceiveMulticastHash                 (1U << 4)
334 #define   RM_ReceiveIPMulticast                   (1U << 5)
335 #define   RM_ReceiveVLANMatch           (1U << 8)
336 #define   RM_ReceiveVLANHash            (1U << 9)
337 
338 #define   STGE_HashTable0                         0x8c
339 
340 #define   STGE_HashTable1                         0x90
341 
342 #define   STGE_RMONStatisticsMask                 0x98      /* set to disable */
343 
344 #define   STGE_StatisticsMask           0x9c      /* set to disable */
345 
346 #define   STGE_RxJumboFrames            0xbc      /* 16-bit */
347 
348 #define   STGE_TCPCheckSumErrors                  0xc0      /* 16-bit */
349 
350 #define   STGE_IPCheckSumErrors                   0xc2      /* 16-bit */
351 
352 #define   STGE_UDPCheckSumErrors                  0xc4      /* 16-bit */
353 
354 #define   STGE_TxJumboFrames            0xf4      /* 16-bit */
355 
356 /*
357  * TC9021 statistics.  Available memory and I/O mapped.
358  */
359 
360 #define   STGE_OctetRcvOk                         0xa8
361 
362 #define   STGE_McstOctetRcvdOk                    0xac
363 
364 #define   STGE_BcstOctetRcvdOk                    0xb0
365 
366 #define   STGE_FramesRcvdOk             0xb4
367 
368 #define   STGE_McstFramesRcvdOk                   0xb8
369 
370 #define   STGE_BcstFramesRcvdOk                   0xbe      /* 16-bit */
371 
372 #define   STGE_MacControlFramesRcvd     0xc6      /* 16-bit */
373 
374 #define   STGE_FrameTooLongErrors                 0xc8      /* 16-bit */
375 
376 #define   STGE_InRangeLengthErrors      0xca      /* 16-bit */
377 
378 #define   STGE_FramesCheckSeqErrors     0xcc      /* 16-bit */
379 
380 #define   STGE_FramesLostRxErrors                 0xce      /* 16-bit */
381 
382 #define   STGE_OctetXmtdOk              0xd0
383 
384 #define   STGE_McstOctetXmtdOk                    0xd4
385 
386 #define   STGE_BcstOctetXmtdOk                    0xd8
387 
388 #define   STGE_FramesXmtdOk             0xdc
389 
390 #define   STGE_McstFramesXmtdOk                   0xe0
391 
392 #define   STGE_FramesWDeferredXmt                 0xe4
393 
394 #define   STGE_LateCollisions           0xe8
395 
396 #define   STGE_MultiColFrames           0xec
397 
398 #define   STGE_SingleColFrames                    0xf0
399 
400 #define   STGE_BcstFramesXmtdOk                   0xf6      /* 16-bit */
401 
402 #define   STGE_CarrierSenseErrors                 0xf8      /* 16-bit */
403 
404 #define   STGE_MacControlFramesXmtd     0xfa      /* 16-bit */
405 
406 #define   STGE_FramesAbortXSColls                 0xfc      /* 16-bit */
407 
408 #define   STGE_FramesWEXDeferal                   0xfe      /* 16-bit */
409 
410 /*
411  * RMON-compatible statistics.  Only accessible if memory-mapped.
412  */
413 
414 #define   STGE_EtherStatsCollisions                         0x100
415 
416 #define   STGE_EtherStatsOctetsTransmit                     0x104
417 
418 #define   STGE_EtherStatsPktsTransmit                       0x108
419 
420 #define   STGE_EtherStatsPkts64OctetsTransmit               0x10c
421 
422 #define   STGE_EtherStatsPkts64to127OctetsTransmit          0x110
423 
424 #define   STGE_EtherStatsPkts128to255OctetsTransmit         0x114
425 
426 #define   STGE_EtherStatsPkts256to511OctetsTransmit         0x118
427 
428 #define   STGE_EtherStatsPkts512to1023OctetsTransmit        0x11c
429 
430 #define   STGE_EtherStatsPkts1024to1518OctetsTransmit       0x120
431 
432 #define   STGE_EtherStatsCRCAlignErrors                     0x124
433 
434 #define   STGE_EtherStatsUndersizePkts                      0x128
435 
436 #define   STGE_EtherStatsFragments                          0x12c
437 
438 #define   STGE_EtherStatsJabbers                                      0x130
439 
440 #define   STGE_EtherStatsOctets                                       0x134
441 
442 #define   STGE_EtherStatsPkts                               0x138
443 
444 #define   STGE_EtherStatsPkts64Octets                       0x13c
445 
446 #define   STGE_EtherStatsPkts65to127Octets                  0x140
447 
448 #define   STGE_EtherStatsPkts128to255Octets                 0x144
449 
450 #define   STGE_EtherStatsPkts256to511Octets                 0x148
451 
452 #define   STGE_EtherStatsPkts512to1023Octets                0x14c
453 
454 #define   STGE_EtherStatsPkts1024to1518Octets               0x150
455 
456 #endif /* _DEV_PCI_IF_STGEREG_H_ */
457